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(Click to learn more.)"><span class="icon icon-question-mark "></span></a></div></form></li><li class=" "><a data-locale="en-US" href="/en-US/docs/Mozilla/Add-ons/WebExtensions/Examples" class="button submenu-item"><span>English (US)</span></a></li><li class=" "><a data-locale="es" href="/es/docs/Mozilla/Add-ons/WebExtensions/Examples" class="button submenu-item"><span>Español</span></a></li><li class=" "><a data-locale="fr" href="/fr/docs/Mozilla/Add-ons/WebExtensions/Examples" class="button submenu-item"><span>Français</span></a></li><li class=" "><a data-locale="ja" href="/ja/docs/Mozilla/Add-ons/WebExtensions/Examples" class="button submenu-item"><span>日本語</span></a></li><li class=" "><a data-locale="ko" href="/ko/docs/Mozilla/Add-ons/WebExtensions/Examples" class="button submenu-item"><span>한국어</span></a></li><li class=" "><a data-locale="pt-BR" href="/pt-BR/docs/Mozilla/Add-ons/WebExtensions/Examples" class="button submenu-item"><span>Português (do Brasil)</span></a></li><li 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class="sidebar-filter-container"><div class="sidebar-filter "><label id="sidebar-filter-label" class="sidebar-filter-label" for="sidebar-filter-input"><span class="icon icon-filter"></span><span class="visually-hidden">Filter sidebar</span></label><input id="sidebar-filter-input" autoComplete="off" class="sidebar-filter-input-field false" type="text" placeholder="Filter" value=""/><button type="button" class="button action has-icon clear-sidebar-filter-button"><span class="button-wrap"><span class="icon icon-cancel "></span><span class="visually-hidden">Clear filter input</span></span></button></div></section></header><div class="sidebar-inner-nav"><div class="in-nav-toc"></div><div class="sidebar-body"> <ol> <li class="section"><a href="/de/docs/Mozilla/Add-ons/WebExtensions">Browsererweiterungen</a></li> <li> <details open=""> <summary>Erste Schritte</summary> <ol> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/What_are_WebExtensions">Was sind Erweiterungen?</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Your_first_WebExtension">Ihre erste Erweiterung</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Your_second_WebExtension">Ihre zweite Erweiterung</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Anatomy_of_a_WebExtension">Anatomie einer Erweiterung</a></li> <li><em><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Examples" aria-current="page">Beispielerweiterungen</a></em></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/What_next">Was nun?</a></li> </ol> </details> </li> <li> <details> <summary>Konzepte</summary> <ol> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API">JavaScript-APIs</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Content_scripts">Content scripts</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Background_scripts">Hintergrundskripte</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Match_patterns">Match patterns</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Working_with_files">Arbeiten mit Dateien</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Internationalization">Internationalisierung</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Content_Security_Policy">Content Security Policy</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Native_messaging">Native messaging</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Differences_between_API_implementations">Unterschiede zwischen API-Implementierungen</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Chrome_incompatibilities">Chrome-Inkompatibilitäten</a></li> </ol> </details> </li> <li> <details> <summary>Benutzeroberfläche</summary> <ol> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface">Benutzeroberfläche</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Toolbar_button">Toolbar-Button</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Page_actions">Adressleisten-Schaltfläche</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Sidebars">Seitenleisten</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Context_menu_items">Kontextmenüelemente</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Options_pages">Options page</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Extension_pages">Erweiterungsseiten</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Notifications">Notifications</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Omnibox">Address bar suggestions</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/devtools_panels">devtools panels</a></li> </ol> </details> </li> <li> <details> <summary>Anleitungen</summary> <ol> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Intercept_HTTP_requests">HTTP-Anfragen abfangen</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Modify_a_web_page">Eine Webseite modifizieren</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Safely_inserting_external_content_into_a_page">Externe Inhalte einfügen</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Sharing_objects_with_page_scripts">Objekte mit Seitenskripts teilen</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Add_a_button_to_the_toolbar">Einen Button zur Toolbar hinzufügen</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Implement_a_settings_page">Implementieren einer Einstellungsseite</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Working_with_the_Tabs_API">Arbeiten mit der Tabs-API</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Work_with_the_Bookmarks_API">Arbeiten mit der Bookmarks API</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Work_with_the_Cookies_API">Arbeiten mit der Cookies-API</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Work_with_contextual_identities">Arbeiten mit kontextbezogenen Identitäten</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Interact_with_the_clipboard">Interagieren mit der Zwischenablage</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Extending_the_developer_tools">Erweiterung der Entwicklerwerkzeuge</a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Build_a_cross_browser_extension">Erstellen Sie eine plattformübergreifende Browser-Erweiterung</a></li> </ol> </details> </li> <li> <details> <summary>JavaScript-APIs</summary> <ol><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Browser_support_for_JavaScript_APIs">Browser support for JavaScript APIs</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/action">action</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms">alarms</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks">bookmarks</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction">browserAction</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserSettings">browserSettings</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browsingData">browsingData</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/captivePortal">captivePortal</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/clipboard">clipboard</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/commands">commands</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/contentScripts">contentScripts</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/contextualIdentities">contextualIdentities</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies">cookies</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest">declarativeNetRequest</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/devtools">devtools</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/dns">dns</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/dom">dom</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads">downloads</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/events">events</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/extension">extension</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/extensionTypes">extensionTypes</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/find">find</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/history">history</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/i18n">i18n</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/identity">identity</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/idle">idle</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/management">management</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus">menus</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications">notifications</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/omnibox">omnibox</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction">pageAction</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions">permissions</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pkcs11">pkcs11</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/privacy">privacy</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/proxy">proxy</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime">runtime</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/scripting">scripting</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/search">search</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/sessions">sessions</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/sidebarAction">sidebarAction</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/storage">storage</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs">tabs</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/theme">theme</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/topSites">topSites</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/types">types</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/userScripts">userScripts</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/webNavigation">webNavigation</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest">webRequest</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows">windows</a></li></ol> </details> </li> <li> <details> <summary>Manifest-Schlüssel</summary> <ol> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json">manifest.json</a></li> </ol> <ol><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/action">action</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/author">author</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/background">background</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/browser_action">browser_action</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/browser_specific_settings">browser_specific_settings</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/chrome_settings_overrides">chrome_settings_overrides</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/chrome_url_overrides">chrome_url_overrides</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/commands">commands</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/content_scripts">content_scripts</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/content_security_policy">content_security_policy</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/declarative_net_request">declarative_net_request</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/default_locale">default_locale</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/description">description</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/developer">developer</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/devtools_page">devtools_page</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/dictionaries">dictionaries</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/externally_connectable">externally_connectable</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/homepage_url">homepage_url</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/host_permissions">host_permissions</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/icons">icons</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/incognito">incognito</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/manifest_version">manifest_version</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/name">name</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/offline_enabled">offline_enabled</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/omnibox">omnibox</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/optional_host_permissions">optional_host_permissions</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/optional_permissions">optional_permissions</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/options_page">options_page</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/options_ui">options_ui</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/page_action">page_action</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/permissions">permissions</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/protocol_handlers">protocol_handlers</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/short_name">short_name</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/sidebar_action">sidebar_action</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/storage">storage</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/theme">theme</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/theme_experiment">theme_experiment</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/user_scripts">user_scripts</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/version">version</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/version_name">version_name</a></li><li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/web_accessible_resources">web_accessible_resources</a></li></ol> </details> </li> <li> <details> <summary>Erweiterungs-Workshop</summary> <ol> <li><a href="https://extensionworkshop.com/documentation/develop/">Entwickeln</a></li> <li><a href="https://extensionworkshop.com/documentation/publish/">Veröffentlichen</a></li> <li><a href="https://extensionworkshop.com/documentation/manage/">Verwalten</a></li> <li><a href="https://extensionworkshop.com/documentation/enterprise/">Unternehmen</a></li> </ol> </details> </li> <li class="section"><a href="/de/docs/Mozilla/Add-ons/Contact_us">Kontaktieren Sie uns</a></li> <li> <details> <summary>Kanäle</summary> <ol> <li><a href="https://blog.mozilla.org/addons">Add-ons Blog</a></li> <li><a href="https://discourse.mozilla.org/c/add-ons">Add-ons Forum</a></li> <li><a href="https://chat.mozilla.org/#/room/%23addons:mozilla.org">Add-ons Chat</a></li> </ol> </details> </li> </ol> </div></div><section class="place side"></section></nav></aside><div class="toc-container"><aside class="toc"><nav></nav></aside><section class="place side"></section></div></div><main id="content" class="main-content "><article class="main-page-content" lang="de"><header><h1>Beispielerweiterungen</h1></header><div class="section-content"><p>Um zu veranschaulichen, wie die WebExtension-APIs verwendet werden, pflegen wir ein Repository mit Beispielerweiterungen unter <a href="https://github.com/mdn/webextensions-examples" class="external" target="_blank">https://github.com/mdn/webextensions-examples</a>. Dieser Artikel beschreibt, wie Sie diese Beispiele ausführen und listet die Beispiele zusammen mit den gezeigten WebExtension-APIs auf.</p> <p>Diese Beispiele funktionieren in Firefox Nightly: die meisten funktionieren in früheren Versionen von Firefox, aber überprüfen Sie den <a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/browser_specific_settings">strict_min_version</a> Schlüssel in der manifest.json der Erweiterung, um sicherzustellen.</p> <div class="notecard warning"> <p><strong>Warnung:</strong> Einige Beispiele funktionieren nur auf bestimmten Domains oder Seiten. Details zu Einschränkungen werden in der readme-Datei jedes Beispiels bereitgestellt. Keines der Beispiele funktioniert standardmäßig in privaten Browserfenstern, siehe <a href="https://support.mozilla.org/en-US/kb/extensions-private-browsing#w_enabling-or-disabling-extensions-in-private-windows" class="external" target="_blank">Erweiterungen im privaten Modus</a> für Details.</p> </div> <p>Um diese Beispiele auszuprobieren, klonen Sie das Repository, installieren Sie die Erweiterung und führen Sie sie mit einer der folgenden Optionen aus:</p> <ul> <li>Verwenden Sie die Funktion <a href="https://extensionworkshop.com/documentation/develop/temporary-installation-in-firefox/" class="external" target="_blank">Load Temporary Add-on</a> und öffnen Sie die Erweiterung aus ihrem Quellordner.</li> <li>Installieren Sie <a href="https://extensionworkshop.com/documentation/develop/getting-started-with-web-ext/" class="external" target="_blank"><code>web-ext</code></a>, öffnen Sie den Quellordner der Erweiterung in der Befehlszeile und verwenden Sie <code>web-ext run</code>.</li> </ul> <p>Die Erweiterung bleibt geladen, bis Sie Firefox neu starten.</p> <div class="notecard warning"> <p><strong>Warnung:</strong> Bitte reichen Sie diese WebExtension-Beispiele nicht bei addons.mozilla.org (AMO) ein; Sie müssen die Add-on WebExtension-Beispiele nicht signieren, um sie auszuführen.</p> </div> <p>Wenn Sie zum Repository beitragen möchten, <a href="https://github.com/mdn/webextensions-examples/blob/main/CONTRIBUTING.md" class="external" target="_blank">senden Sie uns eine Pull-Anfrage.</a></p><figure class="table-container"><table class="standard-table fullwidth-table"><tbody><tr> <th>Name</th> <th>Beschreibung</th> <th style="width: 40%">JavaScript APIs</th> </tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/annotate-page" class="external" target="_blank">annotate-page</a></td> <td>Displays a sidebar that lets you take notes on web pages.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local"><code>storage.local</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onActivated"><code>tabs.onActivated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated"><code>tabs.onUpdated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab"><code>tabs.Tab</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/getCurrent"><code>windows.getCurrent</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/Window"><code>windows.Window</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/apply-css" class="external" target="_blank">apply-css</a></td> <td>Adds a page action to the toolbar. Click the button to apply a red border using injected CSS. Click the button again to remove the CSS.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/getTitle"><code>pageAction.getTitle</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/onClicked"><code>pageAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/setIcon"><code>pageAction.setIcon</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/setTitle"><code>pageAction.setTitle</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/show"><code>pageAction.show</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/insertCSS"><code>tabs.insertCSS</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated"><code>tabs.onUpdated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/removeCSS"><code>tabs.removeCSS</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab"><code>tabs.Tab</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/beastify" class="external" target="_blank">beastify</a></td> <td>Adds a browser action icon to the toolbar. Click the button to choose a beast. The active tab's body content is then replaced with a picture of the chosen beast.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getURL"><code>extension.getURL</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript"><code>tabs.executeScript</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/insertCSS"><code>tabs.insertCSS</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/removeCSS"><code>tabs.removeCSS</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/sendMessage"><code>tabs.sendMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab"><code>tabs.Tab</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/bookmark-it" class="external" target="_blank">bookmark-it</a></td> <td>Adds a bookmark button to the toolbar. Click the button to toggle a bookmark for the current page.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks/create"><code>bookmarks.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks/onCreated"><code>bookmarks.onCreated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks/onRemoved"><code>bookmarks.onRemoved</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks/remove"><code>bookmarks.remove</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks/search"><code>bookmarks.search</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked"><code>browserAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/setIcon"><code>browserAction.setIcon</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/setTitle"><code>browserAction.setTitle</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onActivated"><code>tabs.onActivated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated"><code>tabs.onUpdated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab"><code>tabs.Tab</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/onFocusChanged"><code>windows.onFocusChanged</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/borderify" class="external" target="_blank">borderify</a></td> <td>Adds a solid red border to all webpages matching mozilla.org.</td> <td></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/chill-out" class="external" target="_blank">chill-out</a></td> <td>Show a page action after a period of inactivity. Show cat gifs when the page action is clicked.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms/clearAll"><code>alarms.clearAll</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms/create"><code>alarms.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms/onAlarm"><code>alarms.onAlarm</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/hide"><code>pageAction.hide</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/onClicked"><code>pageAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/show"><code>pageAction.show</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/get"><code>tabs.get</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onActivated"><code>tabs.onActivated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated"><code>tabs.onUpdated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/update"><code>tabs.update</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/commands" class="external" target="_blank">commands</a></td> <td>Demonstrates using the commands API to set up a keyboard shortcut. The shortcut created is accessed using Ctrl+Shift+U (Command+Shift+U on a Mac).</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/commands/getAll"><code>commands.getAll</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/commands/onCommand"><code>commands.onCommand</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/commands/reset"><code>commands.reset</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/commands/update"><code>commands.update</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create"><code>tabs.create</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/content-script-register" class="external" target="_blank">content-script-register</a></td> <td>Illustrates how an extension can register URL-matching content scripts at runtime.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/contentScripts/register"><code>contentScripts.register</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/context-menu-copy-link-with-types" class="external" target="_blank">context-menu-copy-link-with-types</a></td> <td>Add a context menu option to links to copy the link to the clipboard, as plain text and as a link in rich HTML.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create"><code>contextMenus.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked"><code>contextMenus.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript"><code>tabs.executeScript</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/contextual-identities" class="external" target="_blank">contextual-identities</a></td> <td>List, create, and remove contextual identities.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/contextualIdentities/query"><code>contextualIdentities.query</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create"><code>tabs.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/remove"><code>tabs.remove</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/cookie-bg-picker" class="external" target="_blank">cookie-bg-picker</a></td> <td>Allows the user to customize the background color and tiled pattern on sites they visit, and also saves their preferences via a cookie, reapplying them whenever they revisit a site they previously customized.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies/get"><code>cookies.get</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies/onChanged"><code>cookies.onChanged</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies/remove"><code>cookies.remove</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies/set"><code>cookies.set</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getURL"><code>extension.getURL</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onActivated"><code>tabs.onActivated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated"><code>tabs.onUpdated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab"><code>tabs.Tab</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/sendMessage"><code>tabs.sendMessage</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/devtools-panels" class="external" target="_blank">devtools-panels</a></td> <td>Demonstrates some of the devtools APIs.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/devtools/inspectedWindow"><code>devtools.inspectedWindow</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/devtools/panels"><code>devtools.panels</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getURL"><code>runtime.getURL</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage"><code>runtime.sendMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript"><code>tabs.executeScript</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/discogs-search" class="external" target="_blank">discogs-search</a></td> <td>Demonstrates adding a custom search engine with the chrome_settings_overrides key.</td> <td></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/dnr-block-only" class="external" target="_blank">dnr-block-only</a></td> <td>Demonstrates how to block network requests without host permissions using the declarativeNetRequest API with the `declarative_net_request` manifest key.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/Rule"><code>declarativeNetRequest.Rule</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/RuleAction"><code>declarativeNetRequest.RuleAction</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/RuleCondition"><code>declarativeNetRequest.RuleCondition</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/dnr-dynamic-with-options" class="external" target="_blank">dnr-dynamic-with-options</a></td> <td>Demonstrates a generic way to request host permissions and register declarativeNetRequest rules to modify network requests, without any install-time permission warnings. The options_ui page offers a way to request permissions and register DNR rules.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/Rule"><code>declarativeNetRequest.Rule</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/getDynamicRules"><code>declarativeNetRequest.getDynamicRules</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/getSessionRules"><code>declarativeNetRequest.getSessionRules</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/updateDynamicRules"><code>declarativeNetRequest.updateDynamicRules</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/updateSessionRules"><code>declarativeNetRequest.updateSessionRules</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/getAll"><code>permissions.getAll</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/remove"><code>permissions.remove</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/request"><code>permissions.request</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/dnr-redirect-url" class="external" target="_blank">dnr-redirect-url</a></td> <td>Demonstrates multiple ways to redirect requests using the declarativeNetRequest API through the `declarative_net_request` manifest key. Demonstrates aspects of Manifest Version 3 (MV3): action, host_permissions, and web_accessible_resources, and includes a comparison with Manifest Version 2 (MV2).</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/Redirect"><code>declarativeNetRequest.Redirect</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/Rule"><code>declarativeNetRequest.Rule</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/RuleAction"><code>declarativeNetRequest.RuleAction</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/RuleCondition"><code>declarativeNetRequest.RuleCondition</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/URLTransform"><code>declarativeNetRequest.URLTransform</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/contains"><code>permissions.contains</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/remove"><code>permissions.remove</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/request"><code>permissions.request</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/dynamic-theme" class="external" target="_blank">dynamic-theme</a></td> <td>Dynamic theme example</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms/create"><code>alarms.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms/onAlarm"><code>alarms.onAlarm</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/theme/update"><code>theme.update</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/emoji-substitution" class="external" target="_blank">emoji-substitution</a></td> <td>Replaces words with emojis.</td> <td></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/eslint-example" class="external" target="_blank">eslint-example</a></td> <td>Demonstrates how to configure an extension with eslint.</td> <td></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/export-helpers" class="external" target="_blank">export-helpers</a></td> <td>Demonstrates how to use export helpers like cloneInto to share objects with page scripts.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications/create"><code>notifications.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/favourite-colour" class="external" target="_blank">favourite-colour</a></td> <td>An example options page, letting you store your favourite colour.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked"><code>browserAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/openOptionsPage"><code>runtime.openOptionsPage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/managed"><code>storage.managed</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/sync"><code>storage.sync</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/find-across-tabs" class="external" target="_blank">find-across-tabs</a></td> <td>Demonstration of the find API.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked"><code>browserAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getBackgroundPage"><code>extension.getBackgroundPage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/find/find"><code>find.find</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/find/highlightResults"><code>find.highlightResults</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getURL"><code>runtime.getURL</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage"><code>runtime.sendMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create"><code>tabs.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab"><code>tabs.Tab</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/firefox-code-search" class="external" target="_blank">firefox-code-search</a></td> <td>Demonstrates how to use the omnibox API.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/omnibox/onInputChanged"><code>omnibox.onInputChanged</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/omnibox/onInputEntered"><code>omnibox.onInputEntered</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/omnibox/setDefaultSuggestion"><code>omnibox.setDefaultSuggestion</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create"><code>tabs.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/update"><code>tabs.update</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/forget-it" class="external" target="_blank">forget-it</a></td> <td>Demonstrates how to use the browsingData API.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked"><code>browserAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browsingData/remove"><code>browsingData.remove</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications/create"><code>notifications.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local"><code>storage.local</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/google-userinfo" class="external" target="_blank">google-userinfo</a></td> <td>Demonstrates how to use the identity API.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked"><code>browserAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/identity/getRedirectURL"><code>identity.getRedirectURL</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/identity/launchWebAuthFlow"><code>identity.launchWebAuthFlow</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications/create"><code>notifications.create</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/history-deleter" class="external" target="_blank">history-deleter</a></td> <td>History API demo: deletes history items for a given domain</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/history/deleteUrl"><code>history.deleteUrl</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/history/search"><code>history.search</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/show"><code>pageAction.show</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated"><code>tabs.onUpdated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/http-response" class="external" target="_blank">http-response</a></td> <td>Demonstrates how to rewrite HTTP responses using the webRequest.filterResponseData() API.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/filterResponseData"><code>webRequest.filterResponseData</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/onBeforeRequest"><code>webRequest.onBeforeRequest</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/imagify" class="external" target="_blank">imagify</a></td> <td>Using a sidebar, illustrates the use of file picker and drag and drop. A content script replaces the current page content with the chosen image.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getURL"><code>extension.getURL</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript"><code>tabs.executeScript</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/sendMessage"><code>tabs.sendMessage</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/latest-download" class="external" target="_blank">latest-download</a></td> <td>Shows the last downloaded item, and lets you open or delete it.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads/erase"><code>downloads.erase</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads/getFileIcon"><code>downloads.getFileIcon</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads/open"><code>downloads.open</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads/removeFile"><code>downloads.removeFile</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads/search"><code>downloads.search</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/list-cookies" class="external" target="_blank">list-cookies</a></td> <td>This extensions list the cookies in the active tab.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies/getAll"><code>cookies.getAll</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/menu-accesskey-visible" class="external" target="_blank">menu-accesskey-visible</a></td> <td>Shows how to set up a single letter access key for a menu item.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/i18n/getMessage"><code>i18n.getMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/update"><code>menus.update</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create"><code>menus.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked"><code>menus.onClicked</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/menu-demo" class="external" target="_blank">menu-demo</a></td> <td>Demonstrates adding and manipulating menu items using the menus API.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/i18n/getMessage"><code>i18n.getMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create"><code>menus.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked"><code>menus.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/remove"><code>menus.remove</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/update"><code>menus.update</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/lastError"><code>runtime.lastError</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript"><code>tabs.executeScript</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/menu-labelled-open" class="external" target="_blank">menu-labelled-open</a></td> <td>Shows how an extension can listen for the display of a menu and then add, remove, or update its menu items.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create"><code>menus.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked"><code>menus.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onShown"><code>menus.onShown</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/refresh"><code>menus.refresh</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/update"><code>menus.update</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/update"><code>tabs.update</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/menu-remove-element" class="external" target="_blank">menu-remove-element</a></td> <td>Shows how to detect the page element at the cursor position and remove that element, or a parent element, from the page. This example includes use of the polyfill, illustrating cross-browser extension development.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create"><code>menus.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked"><code>menus.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/getTargetElement"><code>menus.getTargetElement</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/openPopup"><code>pageAction.openPopup</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/show"><code>pageAction.show</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript"><code>tabs.executeScript</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/menu-search" class="external" target="_blank">menu-search</a></td> <td>Illustrates how to retrieve a list of search engines and issue a search request, using search engine details added to the context menu for selected text.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/search/search"><code>search.search</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/search/get"><code>search.get</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create"><code>menus.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked"><code>menus.onClicked</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/mocha-client-tests" class="external" target="_blank">mocha-client-tests</a></td> <td>This example shows two methods of testing an extension: running tests from within the extension, and running tests from the command line using Karma.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/native-messaging" class="external" target="_blank">native-messaging</a></td> <td>Example of native messaging, including a Python application and an extension which exchanges messages with it.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked"><code>browserAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/connectNative"><code>runtime.connectNative</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/navigation-stats" class="external" target="_blank">navigation-stats</a></td> <td>Demonstration of the webNavigation API, showing basic stats about which pages you've visited.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local"><code>storage.local</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/webNavigation/onCommitted"><code>webNavigation.onCommitted</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/webNavigation/onCompleted"><code>webNavigation.onCompleted</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/notify-link-clicks-i18n" class="external" target="_blank">notify-link-clicks-i18n</a></td> <td>Shows a localized notification when the user clicks on links.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getURL"><code>extension.getURL</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/i18n/getMessage"><code>i18n.getMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications/create"><code>notifications.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/open-my-page-button" class="external" target="_blank">open-my-page-button</a></td> <td>Adds a browser action icon to the toolbar. When the browser action is clicked, the add-on opens a page that was packaged with it.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked"><code>browserAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create"><code>tabs.create</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/page-to-extension-messaging" class="external" target="_blank">page-to-extension-messaging</a></td> <td>Demonstrates how a web page and a content script can exchange messages. Visit https://mdn.github.io/webextensions-examples/content-script-page-script-messaging.html for the demo.</td> <td></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/permissions" class="external" target="_blank">permissions</a></td> <td>Demonstrates optional permissions using the permissions API.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked"><code>browserAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/getAll"><code>permissions.getAll</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/remove"><code>permissions.remove</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/request"><code>permissions.request</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getURL"><code>runtime.getURL</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create"><code>tabs.create</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/private-browsing-theme" class="external" target="_blank">private-browsing-theme</a></td> <td>Example dynamic theme: sets a dark theme for private windows.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/theme/reset"><code>theme.reset</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/theme/update"><code>theme.update</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/getAll"><code>windows.getAll</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/onCreated"><code>windows.onCreated</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/proxy-blocker" class="external" target="_blank">proxy-blocker</a></td> <td>Uses the proxy API to block requests to hosts specified on a list.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getURL"><code>extension.getURL</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/proxy/onRequest"><code>proxy.onRequest</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/proxy/onError"><code>proxy.onError</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local"><code>storage.local</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/onChanged"><code>storage.onChanged</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/quicknote" class="external" target="_blank">quicknote</a></td> <td>Allows the user to make quick notes by clicking a button and entering text into the resulting popup. The notes are saved in storage.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local"><code>storage.local</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/root-cert-stats" class="external" target="_blank">root-cert-stats</a></td> <td>Shows how to get details about a request's TLS connection.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/getSecurityInfo"><code>webRequest.getSecurityInfo</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/runtime-examples" class="external" target="_blank">runtime-examples</a></td> <td>Demo of various runtime APIs.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked"><code>browserAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications/create"><code>notifications.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getManifest"><code>runtime.getManifest</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onInstalled"><code>runtime.onInstalled</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/reload"><code>runtime.reload</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/selection-to-clipboard" class="external" target="_blank">selection-to-clipboard</a></td> <td>Demonstrates how to write to the clipboard from a content script</td> <td></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/session-state" class="external" target="_blank">session-state</a></td> <td>Demonstrates how to retrieve extension-defined state from restored tabs.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create"><code>menus.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked"><code>menus.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/sessions/getTabValue"><code>sessions.getTabValue</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/sessions/setTabValue"><code>sessions.setTabValue</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/insertCSS"><code>tabs.insertCSS</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onCreated"><code>tabs.onCreated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated"><code>tabs.onUpdated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/store-collected-images" class="external" target="_blank">store-collected-images</a></td> <td>Demonstrates how to use the idb-file-storage library to store and manipulate files in an extension.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked"><code>browserAction.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create"><code>contextMenus.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked"><code>contextMenus.onClicked</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage"><code>runtime.sendMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create"><code>tabs.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/create"><code>windows.create</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/stored-credentials" class="external" target="_blank">stored-credentials</a></td> <td>Performs basic authentication by supplying stored credentials.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local"><code>storage.local</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/onAuthRequired"><code>webRequest.onAuthRequired</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/onCompleted"><code>webRequest.onCompleted</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/onErrorOccurred"><code>webRequest.onErrorOccurred</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/tabs-tabs-tabs" class="external" target="_blank">tabs-tabs-tabs</a></td> <td>Demonstrates tab manipulation: opening, closing, moving, zooming tabs.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/setBadgeBackgroundColor"><code>browserAction.setBadgeBackgroundColor</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/setBadgeText"><code>browserAction.setBadgeText</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create"><code>tabs.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/duplicate"><code>tabs.duplicate</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/getZoom"><code>tabs.getZoom</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/move"><code>tabs.move</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onCreated"><code>tabs.onCreated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onMoved"><code>tabs.onMoved</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onRemoved"><code>tabs.onRemoved</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query"><code>tabs.query</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/reload"><code>tabs.reload</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/remove"><code>tabs.remove</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/setZoom"><code>tabs.setZoom</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab"><code>tabs.Tab</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/update"><code>tabs.update</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/theme-integrated-sidebar" class="external" target="_blank">theme-integrated-sidebar</a></td> <td>A sidebar that integrates with the current theme.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/theme/getCurrent"><code>theme.getCurrent</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/theme/onUpdated"><code>theme.onUpdated</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/getCurrent"><code>windows.getCurrent</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/theme-switcher" class="external" target="_blank">theme-switcher</a></td> <td>An example of how to use the management API for themes.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/management/getAll"><code>management.getAll</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/management/setEnabled"><code>management.setEnabled</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/themes" class="external" target="_blank">themes</a></td> <td>A collection of themes illustrating:<ul><li>weta_fade: a basic theme employing a single image specified in <code>theme_frame:</code>.</li><li>weta_fade_chrome: the weta_fade theme implemented with Chrome compatible manifest keys.</li><li>weta_tiled: a theme using a tiled image.</li><li>weta_mirror: a theme using multiple images and aligning those images in the header.</li><li>animated: use of an animated PNG.</li></ul></td> <td></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/top-sites" class="external" target="_blank">top-sites</a></td> <td>Demonstration of the topSites API.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/topSites/get"><code>topSites.get</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/user-agent-rewriter" class="external" target="_blank">user-agent-rewriter</a></td> <td>Demonstrates using the webRequest API to rewrite the User-Agent HTTP header.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getBackgroundPage"><code>extension.getBackgroundPage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/onBeforeSendHeaders"><code>webRequest.onBeforeSendHeaders</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/user-script-register" class="external" target="_blank">user-script-register</a></td> <td>Illustrates how an extension can register URL-matching user scripts at runtime.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/userScripts/register"><code>userScripts.register</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/webpack-modules" class="external" target="_blank">webpack-modules</a></td> <td>Demonstrates how to use webpack to package npm modules in an extension.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage"><code>runtime.onMessage</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/window-manipulator" class="external" target="_blank">window-manipulator</a></td> <td>Demonstrates how to manipulate windows: opening, closing, resizing windows.</td> <td><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/create"><code>windows.create</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/getAll"><code>windows.getAll</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/getCurrent"><code>windows.getCurrent</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/remove"><code>windows.remove</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/update"><code>windows.update</code></a><br><a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/Window"><code>windows.Window</code></a><br></td></tr><tr> <td><a href="https://github.com/mdn/webextensions-examples/tree/main/open-irc-links" class="external" target="_blank">open-irc-links</a></td> <td>Demonstrates the use of protocol handlers.</td> <td></td></tr></tbody></table></figure></div></article><aside class="article-footer"><div class="article-footer-inner"><div class="svg-container"><svg xmlns="http://www.w3.org/2000/svg" width="162" height="162" viewBox="0 0 162 162" fill="none" role="none"><mask id="b" fill="#fff"><path d="M97.203 47.04c8.113-7.886 18.004-13.871 28.906-17.492a78 78 0 0 1 33.969-3.39c11.443 1.39 22.401 5.295 32.024 11.411s17.656 14.28 23.476 23.86c5.819 9.579 9.269 20.318 10.083 31.385a69.85 69.85 0 0 1-5.387 32.44c-4.358 10.272-11.115 19.443-19.747 26.801-8.632 7.359-18.908 12.709-30.034 15.637l-6.17-21.698c7.666-2.017 14.746-5.703 20.694-10.773 5.948-5.071 10.603-11.389 13.606-18.467a48.14 48.14 0 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fill="currentColor"></path></svg></a><ul class="footer-moz-list"><li class="footer-moz-item"><a href="https://www.mozilla.org/privacy/websites/" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Website Privacy Notice</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/privacy/websites/#cookies" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Cookies</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/about/legal/terms/mozilla" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Legal</a></li><li class="footer-moz-item"><a href="https://www.mozilla.org/about/governance/policies/participation/" class="footer-moz-link" target="_blank" rel="noopener noreferrer">Community Participation Guidelines</a></li></ul></div><div class="page-footer-legal"><p id="license" class="page-footer-legal-text">Visit <a href="https://www.mozilla.org" target="_blank" rel="noopener noreferrer">Mozilla Corporation’s</a> not-for-profit parent, the <a target="_blank" rel="noopener noreferrer" href="https://foundation.mozilla.org/">Mozilla Foundation</a>.<br/>Portions of this content are ©1998–2024 by individual mozilla.org contributors. Content available under <a href="/de/docs/MDN/Writing_guidelines/Attrib_copyright_license">a Creative Commons license</a>.</p></div></div></footer></div><script type="application/json" id="hydration">{"url":"/de/docs/Mozilla/Add-ons/WebExtensions/Examples","doc":{"isMarkdown":true,"isTranslated":true,"isActive":true,"flaws":{},"title":"Beispielerweiterungen","mdn_url":"/de/docs/Mozilla/Add-ons/WebExtensions/Examples","locale":"de","native":"Deutsch","sidebarHTML":"\n <ol>\n <li class=\"section\"><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions\">Browsererweiterungen</a></li>\n <li>\n <details open=\"\">\n <summary>Erste Schritte</summary>\n <ol>\n <li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/What_are_WebExtensions\">Was sind Erweiterungen?</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Your_first_WebExtension\">Ihre erste Erweiterung</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Your_second_WebExtension\">Ihre zweite Erweiterung</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Anatomy_of_a_WebExtension\">Anatomie einer Erweiterung</a></li>\n<li><em><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Examples\" aria-current=\"page\">Beispielerweiterungen</a></em></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/What_next\">Was nun?</a></li>\n </ol>\n </details>\n </li>\n <li>\n <details>\n <summary>Konzepte</summary>\n <ol>\n <li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API\">JavaScript-APIs</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Content_scripts\">Content scripts</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Background_scripts\">Hintergrundskripte</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Match_patterns\">Match patterns</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Working_with_files\">Arbeiten mit Dateien</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Internationalization\">Internationalisierung</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Content_Security_Policy\">Content Security Policy</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Native_messaging\">Native messaging</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Differences_between_API_implementations\">Unterschiede zwischen API-Implementierungen</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Chrome_incompatibilities\">Chrome-Inkompatibilitäten</a></li>\n </ol>\n </details>\n </li>\n <li>\n <details>\n <summary>Benutzeroberfläche</summary>\n <ol>\n <li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface\">Benutzeroberfläche</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Toolbar_button\">Toolbar-Button</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Page_actions\">Adressleisten-Schaltfläche</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Sidebars\">Seitenleisten</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Context_menu_items\">Kontextmenüelemente</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Options_pages\">Options page</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Extension_pages\">Erweiterungsseiten</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Notifications\">Notifications</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Omnibox\">Address bar suggestions</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/devtools_panels\">devtools panels</a></li>\n </ol>\n </details>\n </li>\n <li>\n <details>\n <summary>Anleitungen</summary>\n <ol>\n <li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Intercept_HTTP_requests\">HTTP-Anfragen abfangen</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Modify_a_web_page\">Eine Webseite modifizieren</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Safely_inserting_external_content_into_a_page\">Externe Inhalte einfügen</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Sharing_objects_with_page_scripts\">Objekte mit Seitenskripts teilen</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Add_a_button_to_the_toolbar\">Einen Button zur Toolbar hinzufügen</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Implement_a_settings_page\">Implementieren einer Einstellungsseite</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Working_with_the_Tabs_API\">Arbeiten mit der Tabs-API</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Work_with_the_Bookmarks_API\">Arbeiten mit der Bookmarks API</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Work_with_the_Cookies_API\">Arbeiten mit der Cookies-API</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Work_with_contextual_identities\">Arbeiten mit kontextbezogenen Identitäten</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Interact_with_the_clipboard\">Interagieren mit der Zwischenablage</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Extending_the_developer_tools\">Erweiterung der Entwicklerwerkzeuge</a></li>\n<li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Build_a_cross_browser_extension\">Erstellen Sie eine plattformübergreifende Browser-Erweiterung</a></li>\n </ol>\n </details>\n </li>\n <li>\n <details>\n <summary>JavaScript-APIs</summary>\n <ol><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Browser_support_for_JavaScript_APIs\">Browser support for JavaScript APIs</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/action\">action</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms\">alarms</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks\">bookmarks</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction\">browserAction</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserSettings\">browserSettings</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browsingData\">browsingData</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/captivePortal\">captivePortal</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/clipboard\">clipboard</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/commands\">commands</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/contentScripts\">contentScripts</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/contextualIdentities\">contextualIdentities</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies\">cookies</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest\">declarativeNetRequest</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/devtools\">devtools</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/dns\">dns</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/dom\">dom</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads\">downloads</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/events\">events</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/extension\">extension</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/extensionTypes\">extensionTypes</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/find\">find</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/history\">history</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/i18n\">i18n</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/identity\">identity</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/idle\">idle</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/management\">management</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus\">menus</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications\">notifications</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/omnibox\">omnibox</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction\">pageAction</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions\">permissions</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pkcs11\">pkcs11</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/privacy\">privacy</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/proxy\">proxy</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime\">runtime</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/scripting\">scripting</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/search\">search</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/sessions\">sessions</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/sidebarAction\">sidebarAction</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/storage\">storage</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs\">tabs</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/theme\">theme</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/topSites\">topSites</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/types\">types</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/userScripts\">userScripts</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/webNavigation\">webNavigation</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest\">webRequest</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows\">windows</a></li></ol>\n </details>\n </li>\n <li>\n <details>\n <summary>Manifest-Schlüssel</summary>\n <ol>\n <li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json\">manifest.json</a></li>\n </ol>\n <ol><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/action\">action</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/author\">author</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/background\">background</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/browser_action\">browser_action</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/browser_specific_settings\">browser_specific_settings</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/chrome_settings_overrides\">chrome_settings_overrides</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/chrome_url_overrides\">chrome_url_overrides</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/commands\">commands</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/content_scripts\">content_scripts</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/content_security_policy\">content_security_policy</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/declarative_net_request\">declarative_net_request</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/default_locale\">default_locale</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/description\">description</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/developer\">developer</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/devtools_page\">devtools_page</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/dictionaries\">dictionaries</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/externally_connectable\">externally_connectable</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/homepage_url\">homepage_url</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/host_permissions\">host_permissions</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/icons\">icons</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/incognito\">incognito</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/manifest_version\">manifest_version</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/name\">name</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/offline_enabled\">offline_enabled</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/omnibox\">omnibox</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/optional_host_permissions\">optional_host_permissions</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/optional_permissions\">optional_permissions</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/options_page\">options_page</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/options_ui\">options_ui</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/page_action\">page_action</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/permissions\">permissions</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/protocol_handlers\">protocol_handlers</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/short_name\">short_name</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/sidebar_action\">sidebar_action</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/storage\">storage</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/theme\">theme</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/theme_experiment\">theme_experiment</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/user_scripts\">user_scripts</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/version\">version</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/version_name\">version_name</a></li><li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/web_accessible_resources\">web_accessible_resources</a></li></ol>\n </details>\n </li>\n <li>\n <details>\n <summary>Erweiterungs-Workshop</summary>\n <ol>\n <li><a href=\"https://extensionworkshop.com/documentation/develop/\">Entwickeln</a></li>\n <li><a href=\"https://extensionworkshop.com/documentation/publish/\">Veröffentlichen</a></li>\n <li><a href=\"https://extensionworkshop.com/documentation/manage/\">Verwalten</a></li>\n <li><a href=\"https://extensionworkshop.com/documentation/enterprise/\">Unternehmen</a></li>\n </ol>\n </details>\n </li>\n <li class=\"section\"><a href=\"/de/docs/Mozilla/Add-ons/Contact_us\">Kontaktieren Sie uns</a></li>\n <li>\n <details>\n <summary>Kanäle</summary>\n <ol>\n <li><a href=\"https://blog.mozilla.org/addons\">Add-ons Blog</a></li>\n <li><a href=\"https://discourse.mozilla.org/c/add-ons\">Add-ons Forum</a></li>\n <li><a href=\"https://chat.mozilla.org/#/room/%23addons:mozilla.org\">Add-ons Chat</a></li>\n </ol>\n </details>\n </li>\n </ol>\n","sidebarMacro":"AddonSidebar","body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p>Um zu veranschaulichen, wie die WebExtension-APIs verwendet werden, pflegen wir ein Repository mit Beispielerweiterungen unter <a href=\"https://github.com/mdn/webextensions-examples\" class=\"external\" target=\"_blank\">https://github.com/mdn/webextensions-examples</a>. Dieser Artikel beschreibt, wie Sie diese Beispiele ausführen und listet die Beispiele zusammen mit den gezeigten WebExtension-APIs auf.</p>\n<p>Diese Beispiele funktionieren in Firefox Nightly: die meisten funktionieren in früheren Versionen von Firefox, aber überprüfen Sie den <a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/browser_specific_settings\">strict_min_version</a> Schlüssel in der manifest.json der Erweiterung, um sicherzustellen.</p>\n<div class=\"notecard warning\">\n <p><strong>Warnung:</strong> Einige Beispiele funktionieren nur auf bestimmten Domains oder Seiten. Details zu Einschränkungen werden in der readme-Datei jedes Beispiels bereitgestellt. Keines der Beispiele funktioniert standardmäßig in privaten Browserfenstern, siehe <a href=\"https://support.mozilla.org/en-US/kb/extensions-private-browsing#w_enabling-or-disabling-extensions-in-private-windows\" class=\"external\" target=\"_blank\">Erweiterungen im privaten Modus</a> für Details.</p>\n</div>\n<p>Um diese Beispiele auszuprobieren, klonen Sie das Repository, installieren Sie die Erweiterung und führen Sie sie mit einer der folgenden Optionen aus:</p>\n<ul>\n <li>Verwenden Sie die Funktion <a href=\"https://extensionworkshop.com/documentation/develop/temporary-installation-in-firefox/\" class=\"external\" target=\"_blank\">Load Temporary Add-on</a> und öffnen Sie die Erweiterung aus ihrem Quellordner.</li>\n <li>Installieren Sie <a href=\"https://extensionworkshop.com/documentation/develop/getting-started-with-web-ext/\" class=\"external\" target=\"_blank\"><code>web-ext</code></a>, öffnen Sie den Quellordner der Erweiterung in der Befehlszeile und verwenden Sie <code>web-ext run</code>.</li>\n</ul>\n<p>Die Erweiterung bleibt geladen, bis Sie Firefox neu starten.</p>\n<div class=\"notecard warning\">\n <p><strong>Warnung:</strong> Bitte reichen Sie diese WebExtension-Beispiele nicht bei addons.mozilla.org (AMO) ein; Sie müssen die Add-on WebExtension-Beispiele nicht signieren, um sie auszuführen.</p>\n</div>\n<p>Wenn Sie zum Repository beitragen möchten, <a href=\"https://github.com/mdn/webextensions-examples/blob/main/CONTRIBUTING.md\" class=\"external\" target=\"_blank\">senden Sie uns eine Pull-Anfrage.</a></p><figure class=\"table-container\"><table class=\"standard-table fullwidth-table\"><tbody><tr>\n <th>Name</th>\n <th>Beschreibung</th>\n <th style=\"width: 40%\">JavaScript APIs</th>\n </tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/annotate-page\" class=\"external\" target=\"_blank\">annotate-page</a></td> <td>Displays a sidebar that lets you take notes on web pages.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local\"><code>storage.local</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onActivated\"><code>tabs.onActivated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated\"><code>tabs.onUpdated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab\"><code>tabs.Tab</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/getCurrent\"><code>windows.getCurrent</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/Window\"><code>windows.Window</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/apply-css\" class=\"external\" target=\"_blank\">apply-css</a></td> <td>Adds a page action to the toolbar. Click the button to apply a red border using injected CSS. Click the button again to remove the CSS.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/getTitle\"><code>pageAction.getTitle</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/onClicked\"><code>pageAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/setIcon\"><code>pageAction.setIcon</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/setTitle\"><code>pageAction.setTitle</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/show\"><code>pageAction.show</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/insertCSS\"><code>tabs.insertCSS</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated\"><code>tabs.onUpdated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/removeCSS\"><code>tabs.removeCSS</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab\"><code>tabs.Tab</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/beastify\" class=\"external\" target=\"_blank\">beastify</a></td> <td>Adds a browser action icon to the toolbar. Click the button to choose a beast. The active tab's body content is then replaced with a picture of the chosen beast.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getURL\"><code>extension.getURL</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript\"><code>tabs.executeScript</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/insertCSS\"><code>tabs.insertCSS</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/removeCSS\"><code>tabs.removeCSS</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/sendMessage\"><code>tabs.sendMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab\"><code>tabs.Tab</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/bookmark-it\" class=\"external\" target=\"_blank\">bookmark-it</a></td> <td>Adds a bookmark button to the toolbar. Click the button to toggle a bookmark for the current page.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks/create\"><code>bookmarks.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks/onCreated\"><code>bookmarks.onCreated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks/onRemoved\"><code>bookmarks.onRemoved</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks/remove\"><code>bookmarks.remove</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/bookmarks/search\"><code>bookmarks.search</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked\"><code>browserAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/setIcon\"><code>browserAction.setIcon</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/setTitle\"><code>browserAction.setTitle</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onActivated\"><code>tabs.onActivated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated\"><code>tabs.onUpdated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab\"><code>tabs.Tab</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/onFocusChanged\"><code>windows.onFocusChanged</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/borderify\" class=\"external\" target=\"_blank\">borderify</a></td> <td>Adds a solid red border to all webpages matching mozilla.org.</td> <td></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/chill-out\" class=\"external\" target=\"_blank\">chill-out</a></td> <td>Show a page action after a period of inactivity. Show cat gifs when the page action is clicked.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms/clearAll\"><code>alarms.clearAll</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms/create\"><code>alarms.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms/onAlarm\"><code>alarms.onAlarm</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/hide\"><code>pageAction.hide</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/onClicked\"><code>pageAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/show\"><code>pageAction.show</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/get\"><code>tabs.get</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onActivated\"><code>tabs.onActivated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated\"><code>tabs.onUpdated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/update\"><code>tabs.update</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/commands\" class=\"external\" target=\"_blank\">commands</a></td> <td>Demonstrates using the commands API to set up a keyboard shortcut. The shortcut created is accessed using Ctrl+Shift+U (Command+Shift+U on a Mac).</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/commands/getAll\"><code>commands.getAll</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/commands/onCommand\"><code>commands.onCommand</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/commands/reset\"><code>commands.reset</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/commands/update\"><code>commands.update</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create\"><code>tabs.create</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/content-script-register\" class=\"external\" target=\"_blank\">content-script-register</a></td> <td>Illustrates how an extension can register URL-matching content scripts at runtime.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/contentScripts/register\"><code>contentScripts.register</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage\"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/context-menu-copy-link-with-types\" class=\"external\" target=\"_blank\">context-menu-copy-link-with-types</a></td> <td>Add a context menu option to links to copy the link to the clipboard, as plain text and as a link in rich HTML.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create\"><code>contextMenus.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked\"><code>contextMenus.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript\"><code>tabs.executeScript</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/contextual-identities\" class=\"external\" target=\"_blank\">contextual-identities</a></td> <td>List, create, and remove contextual identities.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/contextualIdentities/query\"><code>contextualIdentities.query</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create\"><code>tabs.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/remove\"><code>tabs.remove</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/cookie-bg-picker\" class=\"external\" target=\"_blank\">cookie-bg-picker</a></td> <td>Allows the user to customize the background color and tiled pattern on sites they visit, and also saves their preferences via a cookie, reapplying them whenever they revisit a site they previously customized.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies/get\"><code>cookies.get</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies/onChanged\"><code>cookies.onChanged</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies/remove\"><code>cookies.remove</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies/set\"><code>cookies.set</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getURL\"><code>extension.getURL</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onActivated\"><code>tabs.onActivated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated\"><code>tabs.onUpdated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab\"><code>tabs.Tab</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/sendMessage\"><code>tabs.sendMessage</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/devtools-panels\" class=\"external\" target=\"_blank\">devtools-panels</a></td> <td>Demonstrates some of the devtools APIs.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/devtools/inspectedWindow\"><code>devtools.inspectedWindow</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/devtools/panels\"><code>devtools.panels</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getURL\"><code>runtime.getURL</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage\"><code>runtime.sendMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript\"><code>tabs.executeScript</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/discogs-search\" class=\"external\" target=\"_blank\">discogs-search</a></td> <td>Demonstrates adding a custom search engine with the chrome_settings_overrides key.</td> <td></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/dnr-block-only\" class=\"external\" target=\"_blank\">dnr-block-only</a></td> <td>Demonstrates how to block network requests without host permissions using the declarativeNetRequest API with the `declarative_net_request` manifest key.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/Rule\"><code>declarativeNetRequest.Rule</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/RuleAction\"><code>declarativeNetRequest.RuleAction</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/RuleCondition\"><code>declarativeNetRequest.RuleCondition</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/dnr-dynamic-with-options\" class=\"external\" target=\"_blank\">dnr-dynamic-with-options</a></td> <td>Demonstrates a generic way to request host permissions and register declarativeNetRequest rules to modify network requests, without any install-time permission warnings. The options_ui page offers a way to request permissions and register DNR rules.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/Rule\"><code>declarativeNetRequest.Rule</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/getDynamicRules\"><code>declarativeNetRequest.getDynamicRules</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/getSessionRules\"><code>declarativeNetRequest.getSessionRules</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/updateDynamicRules\"><code>declarativeNetRequest.updateDynamicRules</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/updateSessionRules\"><code>declarativeNetRequest.updateSessionRules</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/getAll\"><code>permissions.getAll</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/remove\"><code>permissions.remove</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/request\"><code>permissions.request</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/dnr-redirect-url\" class=\"external\" target=\"_blank\">dnr-redirect-url</a></td> <td>Demonstrates multiple ways to redirect requests using the declarativeNetRequest API through the `declarative_net_request` manifest key. Demonstrates aspects of Manifest Version 3 (MV3): action, host_permissions, and web_accessible_resources, and includes a comparison with Manifest Version 2 (MV2).</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/Redirect\"><code>declarativeNetRequest.Redirect</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/Rule\"><code>declarativeNetRequest.Rule</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/RuleAction\"><code>declarativeNetRequest.RuleAction</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/RuleCondition\"><code>declarativeNetRequest.RuleCondition</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/URLTransform\"><code>declarativeNetRequest.URLTransform</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/contains\"><code>permissions.contains</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/remove\"><code>permissions.remove</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/request\"><code>permissions.request</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/dynamic-theme\" class=\"external\" target=\"_blank\">dynamic-theme</a></td> <td>Dynamic theme example</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms/create\"><code>alarms.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/alarms/onAlarm\"><code>alarms.onAlarm</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/theme/update\"><code>theme.update</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/emoji-substitution\" class=\"external\" target=\"_blank\">emoji-substitution</a></td> <td>Replaces words with emojis.</td> <td></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/eslint-example\" class=\"external\" target=\"_blank\">eslint-example</a></td> <td>Demonstrates how to configure an extension with eslint.</td> <td></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/export-helpers\" class=\"external\" target=\"_blank\">export-helpers</a></td> <td>Demonstrates how to use export helpers like cloneInto to share objects with page scripts.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications/create\"><code>notifications.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage\"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/favourite-colour\" class=\"external\" target=\"_blank\">favourite-colour</a></td> <td>An example options page, letting you store your favourite colour.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked\"><code>browserAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/openOptionsPage\"><code>runtime.openOptionsPage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/managed\"><code>storage.managed</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/sync\"><code>storage.sync</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/find-across-tabs\" class=\"external\" target=\"_blank\">find-across-tabs</a></td> <td>Demonstration of the find API.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked\"><code>browserAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getBackgroundPage\"><code>extension.getBackgroundPage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/find/find\"><code>find.find</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/find/highlightResults\"><code>find.highlightResults</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getURL\"><code>runtime.getURL</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage\"><code>runtime.sendMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create\"><code>tabs.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab\"><code>tabs.Tab</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/firefox-code-search\" class=\"external\" target=\"_blank\">firefox-code-search</a></td> <td>Demonstrates how to use the omnibox API.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/omnibox/onInputChanged\"><code>omnibox.onInputChanged</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/omnibox/onInputEntered\"><code>omnibox.onInputEntered</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/omnibox/setDefaultSuggestion\"><code>omnibox.setDefaultSuggestion</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create\"><code>tabs.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/update\"><code>tabs.update</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/forget-it\" class=\"external\" target=\"_blank\">forget-it</a></td> <td>Demonstrates how to use the browsingData API.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked\"><code>browserAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browsingData/remove\"><code>browsingData.remove</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications/create\"><code>notifications.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local\"><code>storage.local</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/google-userinfo\" class=\"external\" target=\"_blank\">google-userinfo</a></td> <td>Demonstrates how to use the identity API.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked\"><code>browserAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/identity/getRedirectURL\"><code>identity.getRedirectURL</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/identity/launchWebAuthFlow\"><code>identity.launchWebAuthFlow</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications/create\"><code>notifications.create</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/history-deleter\" class=\"external\" target=\"_blank\">history-deleter</a></td> <td>History API demo: deletes history items for a given domain</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/history/deleteUrl\"><code>history.deleteUrl</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/history/search\"><code>history.search</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/show\"><code>pageAction.show</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated\"><code>tabs.onUpdated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/http-response\" class=\"external\" target=\"_blank\">http-response</a></td> <td>Demonstrates how to rewrite HTTP responses using the webRequest.filterResponseData() API.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/filterResponseData\"><code>webRequest.filterResponseData</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/onBeforeRequest\"><code>webRequest.onBeforeRequest</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/imagify\" class=\"external\" target=\"_blank\">imagify</a></td> <td>Using a sidebar, illustrates the use of file picker and drag and drop. A content script replaces the current page content with the chosen image.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getURL\"><code>extension.getURL</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript\"><code>tabs.executeScript</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/sendMessage\"><code>tabs.sendMessage</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/latest-download\" class=\"external\" target=\"_blank\">latest-download</a></td> <td>Shows the last downloaded item, and lets you open or delete it.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads/erase\"><code>downloads.erase</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads/getFileIcon\"><code>downloads.getFileIcon</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads/open\"><code>downloads.open</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads/removeFile\"><code>downloads.removeFile</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/downloads/search\"><code>downloads.search</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/list-cookies\" class=\"external\" target=\"_blank\">list-cookies</a></td> <td>This extensions list the cookies in the active tab.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/cookies/getAll\"><code>cookies.getAll</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/menu-accesskey-visible\" class=\"external\" target=\"_blank\">menu-accesskey-visible</a></td> <td>Shows how to set up a single letter access key for a menu item.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/i18n/getMessage\"><code>i18n.getMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/update\"><code>menus.update</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create\"><code>menus.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked\"><code>menus.onClicked</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/menu-demo\" class=\"external\" target=\"_blank\">menu-demo</a></td> <td>Demonstrates adding and manipulating menu items using the menus API.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/i18n/getMessage\"><code>i18n.getMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create\"><code>menus.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked\"><code>menus.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/remove\"><code>menus.remove</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/update\"><code>menus.update</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/lastError\"><code>runtime.lastError</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript\"><code>tabs.executeScript</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/menu-labelled-open\" class=\"external\" target=\"_blank\">menu-labelled-open</a></td> <td>Shows how an extension can listen for the display of a menu and then add, remove, or update its menu items.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create\"><code>menus.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked\"><code>menus.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onShown\"><code>menus.onShown</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/refresh\"><code>menus.refresh</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/update\"><code>menus.update</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/update\"><code>tabs.update</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/menu-remove-element\" class=\"external\" target=\"_blank\">menu-remove-element</a></td> <td>Shows how to detect the page element at the cursor position and remove that element, or a parent element, from the page. This example includes use of the polyfill, illustrating cross-browser extension development.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create\"><code>menus.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked\"><code>menus.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/getTargetElement\"><code>menus.getTargetElement</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/openPopup\"><code>pageAction.openPopup</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/show\"><code>pageAction.show</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/executeScript\"><code>tabs.executeScript</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/menu-search\" class=\"external\" target=\"_blank\">menu-search</a></td> <td>Illustrates how to retrieve a list of search engines and issue a search request, using search engine details added to the context menu for selected text.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/search/search\"><code>search.search</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/search/get\"><code>search.get</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create\"><code>menus.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked\"><code>menus.onClicked</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/mocha-client-tests\" class=\"external\" target=\"_blank\">mocha-client-tests</a></td> <td>This example shows two methods of testing an extension: running tests from within the extension, and running tests from the command line using Karma.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage\"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/native-messaging\" class=\"external\" target=\"_blank\">native-messaging</a></td> <td>Example of native messaging, including a Python application and an extension which exchanges messages with it.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked\"><code>browserAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/connectNative\"><code>runtime.connectNative</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/navigation-stats\" class=\"external\" target=\"_blank\">navigation-stats</a></td> <td>Demonstration of the webNavigation API, showing basic stats about which pages you've visited.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local\"><code>storage.local</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/webNavigation/onCommitted\"><code>webNavigation.onCommitted</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/webNavigation/onCompleted\"><code>webNavigation.onCompleted</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/notify-link-clicks-i18n\" class=\"external\" target=\"_blank\">notify-link-clicks-i18n</a></td> <td>Shows a localized notification when the user clicks on links.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getURL\"><code>extension.getURL</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/i18n/getMessage\"><code>i18n.getMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications/create\"><code>notifications.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage\"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/open-my-page-button\" class=\"external\" target=\"_blank\">open-my-page-button</a></td> <td>Adds a browser action icon to the toolbar. When the browser action is clicked, the add-on opens a page that was packaged with it.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked\"><code>browserAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create\"><code>tabs.create</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/page-to-extension-messaging\" class=\"external\" target=\"_blank\">page-to-extension-messaging</a></td> <td>Demonstrates how a web page and a content script can exchange messages. Visit https://mdn.github.io/webextensions-examples/content-script-page-script-messaging.html for the demo.</td> <td></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/permissions\" class=\"external\" target=\"_blank\">permissions</a></td> <td>Demonstrates optional permissions using the permissions API.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked\"><code>browserAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/getAll\"><code>permissions.getAll</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/remove\"><code>permissions.remove</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/permissions/request\"><code>permissions.request</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getURL\"><code>runtime.getURL</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create\"><code>tabs.create</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/private-browsing-theme\" class=\"external\" target=\"_blank\">private-browsing-theme</a></td> <td>Example dynamic theme: sets a dark theme for private windows.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/theme/reset\"><code>theme.reset</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/theme/update\"><code>theme.update</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/getAll\"><code>windows.getAll</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/onCreated\"><code>windows.onCreated</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/proxy-blocker\" class=\"external\" target=\"_blank\">proxy-blocker</a></td> <td>Uses the proxy API to block requests to hosts specified on a list.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getURL\"><code>extension.getURL</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/proxy/onRequest\"><code>proxy.onRequest</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/proxy/onError\"><code>proxy.onError</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local\"><code>storage.local</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/onChanged\"><code>storage.onChanged</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/quicknote\" class=\"external\" target=\"_blank\">quicknote</a></td> <td>Allows the user to make quick notes by clicking a button and entering text into the resulting popup. The notes are saved in storage.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local\"><code>storage.local</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/root-cert-stats\" class=\"external\" target=\"_blank\">root-cert-stats</a></td> <td>Shows how to get details about a request's TLS connection.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/getSecurityInfo\"><code>webRequest.getSecurityInfo</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/runtime-examples\" class=\"external\" target=\"_blank\">runtime-examples</a></td> <td>Demo of various runtime APIs.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked\"><code>browserAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/notifications/create\"><code>notifications.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getManifest\"><code>runtime.getManifest</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onInstalled\"><code>runtime.onInstalled</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/reload\"><code>runtime.reload</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/selection-to-clipboard\" class=\"external\" target=\"_blank\">selection-to-clipboard</a></td> <td>Demonstrates how to write to the clipboard from a content script</td> <td></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/session-state\" class=\"external\" target=\"_blank\">session-state</a></td> <td>Demonstrates how to retrieve extension-defined state from restored tabs.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create\"><code>menus.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked\"><code>menus.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/sessions/getTabValue\"><code>sessions.getTabValue</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/sessions/setTabValue\"><code>sessions.setTabValue</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/insertCSS\"><code>tabs.insertCSS</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onCreated\"><code>tabs.onCreated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onUpdated\"><code>tabs.onUpdated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/store-collected-images\" class=\"external\" target=\"_blank\">store-collected-images</a></td> <td>Demonstrates how to use the idb-file-storage library to store and manipulate files in an extension.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/onClicked\"><code>browserAction.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/create\"><code>contextMenus.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/menus/onClicked\"><code>contextMenus.onClicked</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage\"><code>runtime.sendMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create\"><code>tabs.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/create\"><code>windows.create</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/stored-credentials\" class=\"external\" target=\"_blank\">stored-credentials</a></td> <td>Performs basic authentication by supplying stored credentials.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/storage/local\"><code>storage.local</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/onAuthRequired\"><code>webRequest.onAuthRequired</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/onCompleted\"><code>webRequest.onCompleted</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/onErrorOccurred\"><code>webRequest.onErrorOccurred</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/tabs-tabs-tabs\" class=\"external\" target=\"_blank\">tabs-tabs-tabs</a></td> <td>Demonstrates tab manipulation: opening, closing, moving, zooming tabs.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/setBadgeBackgroundColor\"><code>browserAction.setBadgeBackgroundColor</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/browserAction/setBadgeText\"><code>browserAction.setBadgeText</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/create\"><code>tabs.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/duplicate\"><code>tabs.duplicate</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/getZoom\"><code>tabs.getZoom</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/move\"><code>tabs.move</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onCreated\"><code>tabs.onCreated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onMoved\"><code>tabs.onMoved</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/onRemoved\"><code>tabs.onRemoved</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/query\"><code>tabs.query</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/reload\"><code>tabs.reload</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/remove\"><code>tabs.remove</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/setZoom\"><code>tabs.setZoom</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/Tab\"><code>tabs.Tab</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/tabs/update\"><code>tabs.update</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/theme-integrated-sidebar\" class=\"external\" target=\"_blank\">theme-integrated-sidebar</a></td> <td>A sidebar that integrates with the current theme.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/theme/getCurrent\"><code>theme.getCurrent</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/theme/onUpdated\"><code>theme.onUpdated</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/getCurrent\"><code>windows.getCurrent</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/theme-switcher\" class=\"external\" target=\"_blank\">theme-switcher</a></td> <td>An example of how to use the management API for themes.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/management/getAll\"><code>management.getAll</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/management/setEnabled\"><code>management.setEnabled</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/themes\" class=\"external\" target=\"_blank\">themes</a></td> <td>A collection of themes illustrating:<ul><li>weta_fade: a basic theme employing a single image specified in <code>theme_frame:</code>.</li><li>weta_fade_chrome: the weta_fade theme implemented with Chrome compatible manifest keys.</li><li>weta_tiled: a theme using a tiled image.</li><li>weta_mirror: a theme using multiple images and aligning those images in the header.</li><li>animated: use of an animated PNG.</li></ul></td> <td></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/top-sites\" class=\"external\" target=\"_blank\">top-sites</a></td> <td>Demonstration of the topSites API.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/topSites/get\"><code>topSites.get</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/user-agent-rewriter\" class=\"external\" target=\"_blank\">user-agent-rewriter</a></td> <td>Demonstrates using the webRequest API to rewrite the User-Agent HTTP header.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/extension/getBackgroundPage\"><code>extension.getBackgroundPage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/webRequest/onBeforeSendHeaders\"><code>webRequest.onBeforeSendHeaders</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/user-script-register\" class=\"external\" target=\"_blank\">user-script-register</a></td> <td>Illustrates how an extension can register URL-matching user scripts at runtime.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/userScripts/register\"><code>userScripts.register</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage\"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/webpack-modules\" class=\"external\" target=\"_blank\">webpack-modules</a></td> <td>Demonstrates how to use webpack to package npm modules in an extension.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage\"><code>runtime.onMessage</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage\"><code>runtime.sendMessage</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/window-manipulator\" class=\"external\" target=\"_blank\">window-manipulator</a></td> <td>Demonstrates how to manipulate windows: opening, closing, resizing windows.</td> <td><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/create\"><code>windows.create</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/getAll\"><code>windows.getAll</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/getCurrent\"><code>windows.getCurrent</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/remove\"><code>windows.remove</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/update\"><code>windows.update</code></a><br><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/windows/Window\"><code>windows.Window</code></a><br></td></tr><tr> <td><a href=\"https://github.com/mdn/webextensions-examples/tree/main/open-irc-links\" class=\"external\" target=\"_blank\">open-irc-links</a></td> <td>Demonstrates the use of protocol handlers.</td> <td></td></tr></tbody></table></figure>"}}],"toc":[],"summary":"Um zu veranschaulichen, wie die WebExtension-APIs verwendet werden, pflegen wir ein Repository mit Beispielerweiterungen unter https://github.com/mdn/webextensions-examples. Dieser Artikel beschreibt, wie Sie diese Beispiele ausführen und listet die Beispiele zusammen mit den gezeigten WebExtension-APIs auf.","popularity":0,"modified":"2022-08-14T03:40:09.000Z","other_translations":[{"locale":"en-US","title":"Example extensions","native":"English (US)"},{"locale":"es","title":"Ejemplos de extensiones","native":"Español"},{"locale":"fr","title":"Exemples de WebExtensions","native":"Français"},{"locale":"ja","title":"拡張機能の例","native":"日本語"},{"locale":"ko","title":"Example extensions","native":"한국어"},{"locale":"pt-BR","title":"Exemplos de Extensões","native":"Português (do Brasil)"},{"locale":"ru","title":"Примеры расширений","native":"Русский"},{"locale":"zh-CN","title":"扩展示例","native":"中文 (简体)"}],"pageType":"unknown","source":{"folder":"de/mozilla/add-ons/webextensions/examples","github_url":"https://github.com/mdn/translated-content/blob/main/files/de/mozilla/add-ons/webextensions/examples/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/207cc24e8fc7fc3e2a4cbe085f8058bc5a328ceb","filename":"index.md"},"short_title":"Beispielerweiterungen","parents":[{"uri":"/de/docs/Mozilla","title":"Mozilla"},{"uri":"/de/docs/Mozilla/Add-ons","title":"Add-ons"},{"uri":"/de/docs/Mozilla/Add-ons/WebExtensions","title":"Browsererweiterungen"},{"uri":"/de/docs/Mozilla/Add-ons/WebExtensions/Examples","title":"Beispielerweiterungen"}],"pageTitle":"Beispielerweiterungen - Mozilla | MDN","noIndexing":false}}</script></body></html>