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id="sidebar-quicklinks" class="sidebar" data-macro="AddonSidebar"><button type="button" class="button action backdrop" aria-label="Collapse sidebar"><span class="button-wrap"></span></button><nav aria-label="Related Topics" class="sidebar-inner"><header class="sidebar-actions"><section 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 class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">In diesem Artikel</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#syntax">Syntax</a></li><li class="document-toc-item "><a class="document-toc-link" href="#beispiel">Beispiel</a></li><li class="document-toc-item "><a class="document-toc-link" href="#browser-kompatibilität">Browser-Kompatibilität</a></li><li class="document-toc-item "><a class="document-toc-link" href="#siehe_auch">Siehe auch</a></li></ul></section></div></div><div class="sidebar-body"> <ol> <li class="section"><a href="/de/docs/Mozilla/Add-ons/WebExtensions">Browsererweiterungen</a></li> <li> <details> <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><a href="/de/docs/Mozilla/Add-ons/WebExtensions/Examples">Beispielerweiterungen</a></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 open=""> <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><em><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/page_action" aria-current="page">page_action</a></em></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><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">In diesem Artikel</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#syntax">Syntax</a></li><li class="document-toc-item "><a class="document-toc-link" href="#beispiel">Beispiel</a></li><li class="document-toc-item "><a class="document-toc-link" href="#browser-kompatibilität">Browser-Kompatibilität</a></li><li class="document-toc-item "><a class="document-toc-link" href="#siehe_auch">Siehe auch</a></li></ul></section></div></nav></aside><section class="place side"></section></div></div><main id="content" class="main-content "><article class="main-page-content" lang="de"><header><h1>page_action</h1></header><div class="section-content"><figure class="table-container"><table class="fullwidth-table standard-table"> <tbody> <tr> <th scope="row">Art</th> <td><code>Object</code></td> </tr> <tr> <th scope="row">Erforderlich</th> <td>Nein</td> </tr> <tr> <th scope="row">Manifest-Version</th> <td>2 oder höher</td> </tr> <tr> <th scope="row">Beispiel</th> <td> <div class="code-example"><div class="example-header"><span class="language-name">json</span></div><pre class="brush: json notranslate"><code>"page_action": { "default_icon": { "19": "button/geo-19.png", "38": "button/geo-38.png" }, "default_title": "Whereami?", "default_popup": "popup/geo.html" }</code></pre></div> </td> </tr> </tbody> </table></figure> <p>Eine Seitenaktion ist ein Symbol, das Ihre Erweiterung in der URL-Leiste des Browsers hinzufügt.</p> <p>Ihre Erweiterung kann optional auch ein zugehöriges Popup bereitstellen, dessen Inhalt mit HTML, CSS und JavaScript spezifiziert wird.</p> <p>Sie müssen diesen Schlüssel angeben, um eine Seitenaktion in Ihre Erweiterung einzubinden. Wenn angegeben, können Sie den Button programmatisch mit der <a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction"><code>pageAction</code></a> API manipulieren.</p> <p>Wenn Sie ein Popup bereitstellen, wird es geöffnet, wenn der Benutzer auf das Symbol klickt, und Ihr JavaScript, das im Popup läuft, kann mit der Benutzerinteraktion umgehen. Wenn Sie kein Popup bereitstellen, wird beim Klicken des Symbols ein Klicken-Ereignis an die <a href="/de/docs/Mozilla/Add-ons/WebExtensions/Anatomy_of_a_WebExtension#background_pages">Hintergrundskripte</a> Ihrer Erweiterung gesendet.</p> <p>Seitenaktionen sind ähnlich wie Browser-Aktionen, außer dass sie mit bestimmten Webseiten anstatt mit dem gesamten Browser verbunden sind. Wenn eine Aktion nur auf bestimmten Seiten relevant ist, sollten Sie eine Seitenaktion verwenden und sie nur auf relevanten Seiten anzeigen. Wenn eine Aktion für alle Seiten oder für den Browser selbst relevant ist, verwenden Sie eine Browser-Aktion.</p> <p>Während Browser-Aktionen standardmäßig angezeigt werden, sind Seitenaktionen standardmäßig verborgen. Sie können für einen bestimmten Tab angezeigt werden, indem Sie <a href="/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/show"><code>pageAction.show()</code></a> aufrufen und die <code>id</code> des Tabs übergeben. Sie können dieses Standardverhalten auch mit der Eigenschaft <code>show_matches</code> ändern.</p></div><section aria-labelledby="syntax"><h2 id="syntax"><a href="#syntax">Syntax</a></h2><div class="section-content"><p>Der <code>page_action</code> Schlüssel ist ein Objekt, das eine von drei Eigenschaften haben kann, alle optional:</p> <figure class="table-container"><table class="fullwidth-table standard-table"> <thead> <tr> <th scope="col">Name</th> <th scope="col">Art</th> <th scope="col">Beschreibung</th> </tr> </thead> <tbody> <tr> <td><code><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Browser_styles">browser_style</a></code><br><span class="badge inline optional">Optional</span><br><abbr class="icon icon-deprecated" title="Veraltet. Nicht für neue Websites verwenden."> <span class="visually-hidden">Veraltet</span> </abbr> in Manifest V3.</td> <td><code>Boolean</code></td> <td> <p>Optional. Standardwert ist <code>false</code>.</p> <div class="notecard warning"> <p>Setzen Sie <code>browser_style</code> nicht auf true: Es wird in Manifest V3 ab Firefox 118 nicht unterstützt. Siehe <a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Browser_styles#manifest_v3_migration">Manifest V3 Migration für <code>browser_style</code></a>.</p> </div> <p> In Firefox kann das Stylesheet unter <code>chrome://browser/content/extension.css</code> oder <code>chrome://browser/content/extension-mac.css</code> auf macOS eingesehen werden. </p> <p> Die <a href="https://github.com/mdn/webextensions-examples/tree/main/latest-download" class="external" target="_blank">latest-download</a> Beispiel-Erweiterung verwendet <code>browser_style</code> in ihrem Popup. </p> </td> </tr> <tr> <td><code>default_icon</code></td> <td><code>Object</code> oder <code>String</code></td> <td> <p>Verwenden Sie dies, um ein Symbol für die Aktion zu spezifizieren.</p> <p> Es wird empfohlen, hier zwei Symbole anzugeben (19×19 Pixel und 38×38 Pixel), und sie in einem Objekt mit den Eigenschaften <code>"19"</code> und <code>"38"</code> wie folgt zu spezifizieren: </p> <div class="code-example"><div class="example-header"><span class="language-name">json</span></div><pre class="brush: json notranslate"><code> "default_icon": { "19": "geo-19.png", "38": "geo-38.png" }</code></pre></div> <p> Wenn Sie dies tun, wählt der Browser die richtige Symbolgröße für die Pixeldichte des Bildschirms aus. </p> <p>Sie können hier auch nur einen String angeben:</p> <div class="code-example"><div class="example-header"><span class="language-name">json</span></div><pre class="brush: json notranslate"><code>"default_icon": "geo.png"</code></pre></div> <p> Wenn Sie dies tun, wird das Symbol zur Anpassung an die Symbolleiste skaliert und kann unscharf erscheinen. </p> </td> </tr> <tr> <td><code>default_popup</code></td> <td><code>String</code></td> <td> <p>Der Pfad zu einer HTML-Datei, die die Spezifikation des Popups enthält.</p> <p> Die HTML-Datei kann CSS und JavaScript-Dateien mit Hilfe von <code><a href="/de/docs/Web/HTML/Element/link"><link></a></code> und <code><a href="/de/docs/Web/HTML/Element/script"><script></a></code> -Elementen einbinden, genau wie eine normale Webseite. Verwenden Sie jedoch kein <code><a href="/de/docs/Web/HTML/Element/script"><script></a></code> mit eingebettetem Code, da Sie einen Content Violation Policy Fehler erhalten. Stattdessen muss <code><a href="/de/docs/Web/HTML/Element/script"><script></a></code> das <code><a href="/de/docs/Web/HTML/Element/script">src</a></code> Attribut verwenden, um eine separate Skriptdatei zu laden. </p> <p> Anders als bei einer normalen Webseite kann JavaScript, das im Popup läuft, auf alle <a href="/de/docs/Mozilla/Add-ons/WebExtensions/API">WebExtension APIs</a> zugreifen (vorausgesetzt, die Erweiterung hat die entsprechenden <a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/permissions">Berechtigungen</a>). </p> <p> Dies ist eine <a href="/de/docs/Mozilla/Add-ons/WebExtensions/Internationalization#internationalizing_manifest.json">lokalisierbare Eigenschaft</a>. </p> </td> </tr> <tr> <td><code>default_title</code></td> <td><code>String</code></td> <td> <p>Tooltip für das Symbol, das angezeigt wird, wenn der Benutzer mit der Maus darüber fährt.</p> <p> Dies ist eine <a href="/de/docs/Mozilla/Add-ons/WebExtensions/Internationalization#internationalizing_manifest.json">lokalisierbare Eigenschaft</a>. </p> </td> </tr> <tr> <td><code>hide_matches</code></td> <td> <code>Array</code> von <code>Match Pattern</code> außer <code><all_urls></code> </td> <td> <p> Verbirgt die Seitenaktion standardmäßig für Seiten, deren URLs mit einem der angegebenen <a href="/de/docs/Mozilla/Add-ons/WebExtensions/Match_patterns">Suchmuster</a> übereinstimmen. </p> <p> Beachten Sie, dass Seitenaktionen standardmäßig immer verborgen sind, es sei denn, <code>show_matches</code> wird angegeben. Daher macht es nur Sinn, diese Eigenschaft anzugeben, wenn auch <code>show_matches</code> angegeben wird, und überschreibt die Muster in <code>show_matches</code>. </p> <p>Zum Beispiel kann ein Wert so aussehen:</p> <div class="code-example"><div class="example-header"><span class="language-name">json</span></div><pre class="brush: json notranslate"><code>"page_action": { "show_matches": ["https://*.mozilla.org/*"], "hide_matches": ["https://developer.mozilla.org/*"] }</code></pre></div> <p> Dies zeigt die Seitenaktion standardmäßig für alle HTTPS-URLs unter dem <code>"mozilla.org"</code> Domainnamen an, außer für Seiten unter <code>"developer.mozilla.org"</code>. </p> </td> </tr> <tr> <td><code>show_matches</code></td> <td><code>Array</code> von <code>Match Pattern</code></td> <td> <p> Zeigt die Seitenaktion standardmäßig für Seiten an, deren URLs mit einem der angegebenen Muster übereinstimmen. </p> <p>Siehe auch <code>hide_matches</code>.</p> </td> </tr> <tr> <td><code>pinned</code> <abbr class="icon icon-deprecated" title="Veraltet. Nicht für neue Websites verwenden."> <span class="visually-hidden">Veraltet</span> </abbr></td> <td><code>Boolean</code></td> <td> <p>Optional. Standardwert ist <code>true</code>.</p> <p>Steuert, ob die Seitenaktion standardmäßig in der Adressleiste angezeigt werden sollte, wenn der Benutzer die Erweiterung installiert. Diese Eigenschaft wird seit Firefox 89 nicht mehr unterstützt.</p> </td> </tr> </tbody> </table></figure></div></section><section aria-labelledby="beispiel"><h2 id="beispiel"><a href="#beispiel">Beispiel</a></h2><div class="section-content"><div class="code-example"><div class="example-header"><span class="language-name">json</span></div><pre class="brush: json notranslate"><code>"page_action": { "default_icon": { "19": "button/geo-19.png", "38": "button/geo-38.png" } } </code></pre></div> <p>Eine Seitenaktion mit nur einem Symbol, angegeben in 2 verschiedenen Größen. Die Hintergrundskripte der Erweiterung können Klickereignisse empfangen, wenn der Benutzer auf das Symbol klickt, mit Code wie diesem:</p> <div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>browser.pageAction.onClicked.addListener(handleClick); </code></pre></div> <div class="code-example"><div class="example-header"><span class="language-name">json</span></div><pre class="brush: json notranslate"><code>"page_action": { "default_icon": { "19": "button/geo-19.png", "38": "button/geo-38.png" }, "default_title": "Whereami?", "default_popup": "popup/geo.html" } </code></pre></div> <p>Eine Seitenaktion mit einem Symbol, einem Titel und einem Popup. Das Popup wird angezeigt, wenn der Benutzer auf das Symbol klickt.</p></div></section><h2 id="browser-kompatibilität"><a href="#browser-kompatibilität">Browser-Kompatibilität</a></h2><p>BCD tables only load in the browser<noscript> with JavaScript enabled. Enable JavaScript to view data.</noscript></p><section aria-labelledby="siehe_auch"><h2 id="siehe_auch"><a href="#siehe_auch">Siehe auch</a></h2><div class="section-content"><ul> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/browser_action"><code>browser_action</code></a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/sidebar_action"><code>sidebar_action</code></a></li> <li><a href="/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Browser_styles">Browser-Stile</a></li> </ul></div></section></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 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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/manifest.json/page_action","doc":{"isMarkdown":true,"isTranslated":true,"isActive":true,"flaws":{},"title":"page_action","mdn_url":"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/page_action","locale":"de","native":"Deutsch","browserCompat":["webextensions.manifest.page_action"],"sidebarHTML":"\n <ol>\n <li class=\"section\"><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions\">Browsererweiterungen</a></li>\n <li>\n <details>\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><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Examples\">Beispielerweiterungen</a></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 open=\"\">\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><em><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/page_action\" aria-current=\"page\">page_action</a></em></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":"<figure class=\"table-container\"><table class=\"fullwidth-table standard-table\">\n <tbody>\n <tr>\n <th scope=\"row\">Art</th>\n <td><code>Object</code></td>\n </tr>\n <tr>\n <th scope=\"row\">Erforderlich</th>\n <td>Nein</td>\n </tr>\n <tr>\n <th scope=\"row\">Manifest-Version</th>\n <td>2 oder höher</td>\n </tr>\n <tr>\n <th scope=\"row\">Beispiel</th>\n <td>\n <div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">json</span></div><pre class=\"brush: json notranslate\"><code>\"page_action\": {\n \"default_icon\": {\n \"19\": \"button/geo-19.png\",\n \"38\": \"button/geo-38.png\"\n },\n \"default_title\": \"Whereami?\",\n \"default_popup\": \"popup/geo.html\"\n}</code></pre></div>\n </td>\n </tr>\n </tbody>\n</table></figure>\n<p>Eine Seitenaktion ist ein Symbol, das Ihre Erweiterung in der URL-Leiste des Browsers hinzufügt.</p>\n<p>Ihre Erweiterung kann optional auch ein zugehöriges Popup bereitstellen, dessen Inhalt mit HTML, CSS und JavaScript spezifiziert wird.</p>\n<p>Sie müssen diesen Schlüssel angeben, um eine Seitenaktion in Ihre Erweiterung einzubinden. Wenn angegeben, können Sie den Button programmatisch mit der <a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction\"><code>pageAction</code></a> API manipulieren.</p>\n<p>Wenn Sie ein Popup bereitstellen, wird es geöffnet, wenn der Benutzer auf das Symbol klickt, und Ihr JavaScript, das im Popup läuft, kann mit der Benutzerinteraktion umgehen. Wenn Sie kein Popup bereitstellen, wird beim Klicken des Symbols ein Klicken-Ereignis an die <a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Anatomy_of_a_WebExtension#background_pages\">Hintergrundskripte</a> Ihrer Erweiterung gesendet.</p>\n<p>Seitenaktionen sind ähnlich wie Browser-Aktionen, außer dass sie mit bestimmten Webseiten anstatt mit dem gesamten Browser verbunden sind. Wenn eine Aktion nur auf bestimmten Seiten relevant ist, sollten Sie eine Seitenaktion verwenden und sie nur auf relevanten Seiten anzeigen. Wenn eine Aktion für alle Seiten oder für den Browser selbst relevant ist, verwenden Sie eine Browser-Aktion.</p>\n<p>Während Browser-Aktionen standardmäßig angezeigt werden, sind Seitenaktionen standardmäßig verborgen. Sie können für einen bestimmten Tab angezeigt werden, indem Sie <a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API/pageAction/show\"><code>pageAction.show()</code></a> aufrufen und die <code>id</code> des Tabs übergeben. Sie können dieses Standardverhalten auch mit der Eigenschaft <code>show_matches</code> ändern.</p>"}},{"type":"prose","value":{"id":"syntax","title":"Syntax","isH3":false,"content":"<p>Der <code>page_action</code> Schlüssel ist ein Objekt, das eine von drei Eigenschaften haben kann, alle optional:</p>\n<figure class=\"table-container\"><table class=\"fullwidth-table standard-table\">\n <thead>\n <tr>\n <th scope=\"col\">Name</th>\n <th scope=\"col\">Art</th>\n <th scope=\"col\">Beschreibung</th>\n </tr>\n </thead>\n <tbody>\n <tr>\n <td><code><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Browser_styles\">browser_style</a></code><br><span class=\"badge inline optional\">Optional</span><br><abbr class=\"icon icon-deprecated\" title=\"Veraltet. Nicht für neue Websites verwenden.\">\n <span class=\"visually-hidden\">Veraltet</span>\n</abbr> in Manifest V3.</td>\n <td><code>Boolean</code></td>\n <td>\n <p>Optional. Standardwert ist <code>false</code>.</p>\n <div class=\"notecard warning\">\n <p>Setzen Sie <code>browser_style</code> nicht auf true: Es wird in Manifest V3 ab Firefox 118 nicht unterstützt. Siehe <a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Browser_styles#manifest_v3_migration\">Manifest V3 Migration für <code>browser_style</code></a>.</p>\n </div>\n <p>\n In Firefox kann das Stylesheet unter\n <code>chrome://browser/content/extension.css</code> oder\n <code>chrome://browser/content/extension-mac.css</code> auf macOS eingesehen werden.\n </p>\n <p>\n Die\n <a href=\"https://github.com/mdn/webextensions-examples/tree/main/latest-download\" class=\"external\" target=\"_blank\">latest-download</a>\n Beispiel-Erweiterung verwendet <code>browser_style</code> in ihrem Popup.\n </p>\n </td>\n </tr>\n <tr>\n <td><code>default_icon</code></td>\n <td><code>Object</code> oder <code>String</code></td>\n <td>\n <p>Verwenden Sie dies, um ein Symbol für die Aktion zu spezifizieren.</p>\n <p>\n Es wird empfohlen, hier zwei Symbole anzugeben (19×19 Pixel und\n 38×38 Pixel), und sie in einem Objekt mit den Eigenschaften\n <code>\"19\"</code> und <code>\"38\"</code> wie folgt zu spezifizieren:\n </p>\n <div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">json</span></div><pre class=\"brush: json notranslate\"><code> \"default_icon\": {\n \"19\": \"geo-19.png\",\n \"38\": \"geo-38.png\"\n }</code></pre></div>\n <p>\n Wenn Sie dies tun, wählt der Browser die richtige Symbolgröße für die\n Pixeldichte des Bildschirms aus.\n </p>\n <p>Sie können hier auch nur einen String angeben:</p>\n <div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">json</span></div><pre class=\"brush: json notranslate\"><code>\"default_icon\": \"geo.png\"</code></pre></div>\n <p>\n Wenn Sie dies tun, wird das Symbol zur Anpassung an die Symbolleiste skaliert und\n kann unscharf erscheinen.\n </p>\n </td>\n </tr>\n <tr>\n <td><code>default_popup</code></td>\n <td><code>String</code></td>\n <td>\n <p>Der Pfad zu einer HTML-Datei, die die Spezifikation des Popups enthält.</p>\n <p>\n Die HTML-Datei kann CSS und JavaScript-Dateien mit Hilfe von\n <code><a href=\"/de/docs/Web/HTML/Element/link\"><link></a></code>\n und\n <code><a href=\"/de/docs/Web/HTML/Element/script\"><script></a></code>\n -Elementen einbinden, genau wie eine normale Webseite. Verwenden Sie jedoch kein\n <code><a href=\"/de/docs/Web/HTML/Element/script\"><script></a></code>\n mit eingebettetem Code, da Sie einen Content Violation Policy\n Fehler erhalten. Stattdessen\n muss <code><a href=\"/de/docs/Web/HTML/Element/script\"><script></a></code>\n das\n <code><a href=\"/de/docs/Web/HTML/Element/script\">src</a></code>\n Attribut verwenden, um eine separate Skriptdatei zu laden.\n </p>\n <p>\n Anders als bei einer normalen Webseite kann JavaScript, das im Popup läuft,\n auf alle\n <a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/API\">WebExtension APIs</a>\n zugreifen (vorausgesetzt, die Erweiterung hat die entsprechenden\n <a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/permissions\">Berechtigungen</a>).\n </p>\n <p>\n Dies ist eine\n <a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Internationalization#internationalizing_manifest.json\">lokalisierbare Eigenschaft</a>.\n </p>\n </td>\n </tr>\n <tr>\n <td><code>default_title</code></td>\n <td><code>String</code></td>\n <td>\n <p>Tooltip für das Symbol, das angezeigt wird, wenn der Benutzer mit der Maus darüber fährt.</p>\n <p>\n Dies ist eine\n <a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Internationalization#internationalizing_manifest.json\">lokalisierbare Eigenschaft</a>.\n </p>\n </td>\n </tr>\n <tr>\n <td><code>hide_matches</code></td>\n <td>\n <code>Array</code> von <code>Match Pattern</code> außer\n <code><all_urls></code>\n </td>\n <td>\n <p>\n Verbirgt die Seitenaktion standardmäßig für Seiten, deren URLs mit einem der\n angegebenen\n <a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/Match_patterns\">Suchmuster</a>\n übereinstimmen.\n </p>\n <p>\n Beachten Sie, dass Seitenaktionen standardmäßig immer verborgen sind, es sei denn,\n <code>show_matches</code> wird angegeben. Daher macht es nur Sinn,\n diese Eigenschaft anzugeben, wenn auch <code>show_matches</code> angegeben wird, und\n überschreibt die Muster in <code>show_matches</code>.\n </p>\n <p>Zum Beispiel kann ein Wert so aussehen:</p>\n <div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">json</span></div><pre class=\"brush: json notranslate\"><code>\"page_action\": {\n \"show_matches\": [\"https://*.mozilla.org/*\"],\n \"hide_matches\": [\"https://developer.mozilla.org/*\"]\n}</code></pre></div>\n <p>\n Dies zeigt die Seitenaktion standardmäßig für alle HTTPS-URLs unter dem\n <code>\"mozilla.org\"</code> Domainnamen an, außer für Seiten unter\n <code>\"developer.mozilla.org\"</code>.\n </p>\n </td>\n </tr>\n <tr>\n <td><code>show_matches</code></td>\n <td><code>Array</code> von <code>Match Pattern</code></td>\n <td>\n <p>\n Zeigt die Seitenaktion standardmäßig für Seiten an, deren URLs mit einem der\n angegebenen Muster übereinstimmen.\n </p>\n <p>Siehe auch <code>hide_matches</code>.</p>\n </td>\n </tr>\n <tr>\n <td><code>pinned</code> <abbr class=\"icon icon-deprecated\" title=\"Veraltet. Nicht für neue Websites verwenden.\">\n <span class=\"visually-hidden\">Veraltet</span>\n</abbr></td>\n <td><code>Boolean</code></td>\n <td>\n <p>Optional. Standardwert ist <code>true</code>.</p>\n <p>Steuert, ob die Seitenaktion standardmäßig in der Adressleiste angezeigt werden sollte, wenn der Benutzer die Erweiterung installiert. Diese Eigenschaft wird seit Firefox 89 nicht mehr unterstützt.</p>\n </td>\n </tr>\n </tbody>\n</table></figure>"}},{"type":"prose","value":{"id":"beispiel","title":"Beispiel","isH3":false,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">json</span></div><pre class=\"brush: json notranslate\"><code>\"page_action\": {\n \"default_icon\": {\n \"19\": \"button/geo-19.png\",\n \"38\": \"button/geo-38.png\"\n }\n}\n</code></pre></div>\n<p>Eine Seitenaktion mit nur einem Symbol, angegeben in 2 verschiedenen Größen. Die Hintergrundskripte der Erweiterung können Klickereignisse empfangen, wenn der Benutzer auf das Symbol klickt, mit Code wie diesem:</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>browser.pageAction.onClicked.addListener(handleClick);\n</code></pre></div>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">json</span></div><pre class=\"brush: json notranslate\"><code>\"page_action\": {\n \"default_icon\": {\n \"19\": \"button/geo-19.png\",\n \"38\": \"button/geo-38.png\"\n },\n \"default_title\": \"Whereami?\",\n \"default_popup\": \"popup/geo.html\"\n}\n</code></pre></div>\n<p>Eine Seitenaktion mit einem Symbol, einem Titel und einem Popup. Das Popup wird angezeigt, wenn der Benutzer auf das Symbol klickt.</p>"}},{"type":"browser_compatibility","value":{"title":"Browser-Kompatibilität","id":"browser-kompatibilität","isH3":false,"query":"webextensions.manifest.page_action"}},{"type":"prose","value":{"id":"siehe_auch","title":"Siehe auch","isH3":false,"content":"<ul>\n <li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/browser_action\"><code>browser_action</code></a></li>\n <li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/sidebar_action\"><code>sidebar_action</code></a></li>\n <li><a href=\"/de/docs/Mozilla/Add-ons/WebExtensions/user_interface/Browser_styles\">Browser-Stile</a></li>\n</ul>"}}],"toc":[{"text":"Syntax","id":"syntax"},{"text":"Beispiel","id":"beispiel"},{"text":"Browser-Kompatibilität","id":"browser-kompatibilität"},{"text":"Siehe auch","id":"siehe_auch"}],"summary":"Eine Seitenaktion ist ein Symbol, das Ihre Erweiterung in der URL-Leiste des Browsers hinzufügt.","popularity":0,"modified":null,"other_translations":[{"locale":"en-US","title":"page_action","native":"English (US)"},{"locale":"fr","title":"page_action","native":"Français"},{"locale":"ja","title":"page_action","native":"日本語"}],"pageType":"unknown","source":{"folder":"de/mozilla/add-ons/webextensions/manifest.json/page_action","github_url":"https://github.com/mdn/translated-content/blob/main/files/de/mozilla/add-ons/webextensions/manifest.json/page_action/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/null","filename":"index.md"},"short_title":"page_action","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/manifest.json","title":"manifest.json"},{"uri":"/de/docs/Mozilla/Add-ons/WebExtensions/manifest.json/page_action","title":"page_action"}],"pageTitle":"page_action - Mozilla | MDN","noIndexing":false}}</script></body></html>