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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">在本文中</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#示例">示例</a></li><li class="document-toc-item "><a class="document-toc-link" href="#规范">规范</a></li><li class="document-toc-item "><a class="document-toc-link" href="#浏览器兼容性">浏览器兼容性</a></li><li class="document-toc-item "><a class="document-toc-link" href="#相关事件">相关事件</a></li></ul></section></div></div><div class="sidebar-body"><ol><li class="section"><a href="/zh-CN/docs/Web/API/Window"><code>Window</code></a></li><li class="toggle"><details open=""><summary>实例属性</summary><ol><li><a href="/zh-CN/docs/Web/API/Window/caches"><code>caches</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/closed"><code>closed</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/console"><code>console</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/cookieStore"><code>cookieStore</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/credentialless"><code>credentialless</code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/Window/crossOriginIsolated"><code>crossOriginIsolated</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/crypto"><code>crypto</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/customElements"><code>customElements</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/devicePixelRatio"><code>devicePixelRatio</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/document"><code>document</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/documentPictureInPicture"><code>documentPictureInPicture</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/event"><code>event</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/external"><code>external</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/fence"><code>fence</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/frameElement"><code>frameElement</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/frames"><code>frames</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/fullScreen"><code>fullScreen</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/history"><code>history</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/indexedDB"><code>indexedDB</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/innerHeight"><code>innerHeight</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/innerWidth"><code>innerWidth</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/isSecureContext"><code>isSecureContext</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/launchQueue"><code>launchQueue</code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/Window/length"><code>length</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/localStorage"><code>localStorage</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/location"><code>location</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/locationbar"><code>locationbar</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/menubar"><code>menubar</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/mozInnerScreenX"><code>mozInnerScreenX</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/mozInnerScreenY"><code>mozInnerScreenY</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/name"><code>name</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/navigation"><code>navigation</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/navigator"><code>navigator</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/opener"><code>opener</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/orientation"><code>orientation</code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/Window/origin"><code>origin</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/originAgentCluster"><code>originAgentCluster</code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/Window/outerHeight"><code>outerHeight</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/outerWidth"><code>outerWidth</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/parent"><code>parent</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/performance"><code>performance</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/personalbar"><code>personalbar</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/scheduler"><code>scheduler</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/screen"><code>screen</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/screenLeft"><code>screenLeft</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/screenTop"><code>screenTop</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/screenX"><code>screenX</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/screenY"><code>screenY</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/scrollbars"><code>scrollbars</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/scrollMaxX"><code>scrollMaxX</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/scrollMaxY"><code>scrollMaxY</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/scrollX"><code>scrollX</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/scrollY"><code>scrollY</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/self"><code>self</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/sessionStorage"><code>sessionStorage</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/sharedStorage"><code>sharedStorage</code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/speechSynthesis"><code>speechSynthesis</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/status"><code>status</code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/Window/statusbar"><code>statusbar</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/toolbar"><code>toolbar</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/top"><code>top</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/trustedTypes"><code>trustedTypes</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/visualViewport"><code>visualViewport</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/window"><code>window</code></a></li></ol></details></li><li class="toggle"><details open=""><summary>实例方法</summary><ol><li><a href="/zh-CN/docs/Web/API/Window/alert"><code>alert()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/atob"><code>atob()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/back"><code>back()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/blur"><code>blur()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/btoa"><code>btoa()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/cancelAnimationFrame"><code>cancelAnimationFrame()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/cancelIdleCallback"><code>cancelIdleCallback()</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/captureEvents"><code>captureEvents()</code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/Window/clearImmediate"><code>clearImmediate()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/clearInterval"><code>clearInterval()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/clearTimeout"><code>clearTimeout()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/close"><code>close()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/confirm"><code>confirm()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/createImageBitmap"><code>createImageBitmap()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/dump"><code>dump()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/fetch"><code>fetch()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/find"><code>find()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/focus"><code>focus()</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/forward"><code>forward()</code></a><abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/Window/getComputedStyle"><code>getComputedStyle()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/getDefaultComputedStyle"><code>getDefaultComputedStyle()</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/getScreenDetails"><code>getScreenDetails()</code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/Window/getSelection"><code>getSelection()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/matchMedia"><code>matchMedia()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/moveBy"><code>moveBy()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/moveTo"><code>moveTo()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/open"><code>open()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/postMessage"><code>postMessage()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/print"><code>print()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/prompt"><code>prompt()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/queryLocalFonts"><code>queryLocalFonts()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/queueMicrotask"><code>queueMicrotask()</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/releaseEvents"><code>releaseEvents()</code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/Window/reportError"><code>reportError()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/requestAnimationFrame"><code>requestAnimationFrame()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/requestFileSystem"><code>requestFileSystem()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/requestIdleCallback"><code>requestIdleCallback()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/resizeBy"><code>resizeBy()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/resizeTo"><code>resizeTo()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/scroll"><code>scroll()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/scrollBy"><code>scrollBy()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/scrollByLines"><code>scrollByLines()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/scrollByPages"><code>scrollByPages()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/scrollTo"><code>scrollTo()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/setImmediate"><code>setImmediate()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/setInterval"><code>setInterval()</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/setResizable"><code>setResizable()</code></a><abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/Window/setTimeout"><code>setTimeout()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/showDirectoryPicker"><code>showDirectoryPicker()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/showModalDialog"><code>showModalDialog()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/showOpenFilePicker"><code>showOpenFilePicker()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/showSaveFilePicker"><code>showSaveFilePicker()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/sizeToContent"><code>sizeToContent()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/stop"><code>stop()</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/structuredClone"><code>structuredClone()</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/webkitConvertPointFromNodeToPage"><code>webkitConvertPointFromNodeToPage()</code></a><abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/webkitConvertPointFromPageToNode"><code>webkitConvertPointFromPageToNode()</code></a><abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li></ol></details></li><li class="toggle"><details open=""><summary>事件</summary><ol><li><a href="/zh-CN/docs/Web/API/Window/afterprint_event"><code>afterprint</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/appinstalled_event"><code>appinstalled</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/beforeinstallprompt_event"><code>beforeinstallprompt</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/beforeprint_event"><code>beforeprint</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/beforeunload_event"><code>beforeunload</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/blur_event"><code>blur</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/copy_event"><code>copy</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/cut_event"><code>cut</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/devicemotion_event"><code>devicemotion</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/deviceorientation_event"><code>deviceorientation</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/deviceorientationabsolute_event"><code>deviceorientationabsolute</code></a></li><li><em><code>error</code> </em></li><li><a href="/zh-CN/docs/Web/API/Window/focus_event"><code>focus</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/gamepadconnected_event"><code>gamepadconnected</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/gamepaddisconnected_event"><code>gamepaddisconnected</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/hashchange_event"><code>hashchange</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/languagechange_event"><code>languagechange</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/load_event"><code>load</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/message_event"><code>message</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/messageerror_event"><code>messageerror</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/offline_event"><code>offline</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/online_event"><code>online</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/orientationchange_event"><code>orientationchange</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/pagehide_event"><code>pagehide</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/pagereveal_event"><code>pagereveal</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/pageshow_event"><code>pageshow</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/pageswap_event"><code>pageswap</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/paste_event"><code>paste</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/popstate_event"><code>popstate</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/rejectionhandled_event"><code>rejectionhandled</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/resize_event"><code>resize</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/scrollsnapchange_event"><code>scrollsnapchange</code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/scrollsnapchanging_event"><code>scrollsnapchanging</code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li><li><a href="/zh-CN/docs/Web/API/Window/storage_event"><code>storage</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/unhandledrejection_event"><code>unhandledrejection</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/unload_event"><code>unload</code></a></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/vrdisplayactivate_event"><code>vrdisplayactivate</code></a><abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/vrdisplayconnect_event"><code>vrdisplayconnect</code></a><abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/vrdisplaydeactivate_event"><code>vrdisplaydeactivate</code></a><abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/vrdisplaydisconnect_event"><code>vrdisplaydisconnect</code></a><abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/API/Window/vrdisplaypresentchange_event"><code>vrdisplaypresentchange</code></a><abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li></ol></details></li><li class="toggle"><details open=""><summary>继承</summary><ol><li><a href="/zh-CN/docs/Web/API/EventTarget"><code>EventTarget</code></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">在本文中</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#示例">示例</a></li><li class="document-toc-item "><a class="document-toc-link" href="#规范">规范</a></li><li class="document-toc-item "><a class="document-toc-link" href="#浏览器兼容性">浏览器兼容性</a></li><li class="document-toc-item "><a class="document-toc-link" href="#相关事件">相关事件</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="zh-CN"><header><h1>Window: error event</h1><details class="baseline-indicator high"><summary><span class="indicator" role="img" aria-label="Baseline Check"></span><h2>Baseline <span class="not-bold">Widely available</span></h2><div class="browsers"><span class="engine" title="Supported in Chrome and Edge"><span class="browser chrome supported" role="img" aria-label="Chrome check"></span><span class="browser edge supported" role="img" aria-label="Edge check"></span></span><span class="engine" title="Supported in Firefox"><span class="browser firefox supported" role="img" aria-label="Firefox check"></span></span><span class="engine" title="Supported in Safari"><span class="browser safari supported" role="img" aria-label="Safari check"></span></span></div><span class="icon icon-chevron "></span></summary><div class="extra"><p>This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.</p><ul><li><a href="/zh-CN/docs/Glossary/Baseline/Compatibility" data-glean="baseline_link_learn_more" target="_blank" class="learn-more">Learn more</a></li><li><a href="#浏览器兼容性" data-glean="baseline_link_bcd_table">See full compatibility</a></li><li><a href="https://survey.alchemer.com/s3/7634825/MDN-baseline-feedback?page=%2Fzh-CN%2Fdocs%2FWeb%2FAPI%2FWindow%2Ferror_event&level=high" data-glean="baseline_link_feedback" class="feedback-link" target="_blank" rel="noreferrer">Report feedback</a></li></ul></div></details></header><div class="section-content"><p>当资源加载失败或无法使用时，会在<a href="/zh-CN/docs/Web/API/Window"><code>Window</code></a>对象触发<code>error</code>事件。例如：script 执行时报错。</p> <figure class="table-container"><table class="properties"> <tbody> <tr> <th scope="row">Bubbles（支持冒泡）</th> <td>No</td> </tr> <tr> <th scope="row">Cancelable（可撤销）</th> <td>No</td> </tr> <tr> <th scope="row">Interface（接口）</th> <td><a href="/zh-CN/docs/Web/API/Event"><code>Event</code></a> or <a href="/zh-CN/docs/Web/API/UIEvent"><code>UIEvent</code></a></td> </tr> <tr> <th scope="row">Event handler property（事件处理程序属性）</th> <td><code><a href="/zh-CN/docs/Web/API/Window/error_event">onerror</a></code></td> </tr> </tbody> </table></figure> <p>如果它是由用户界面元素生成的，或者是由事件实例生成的，那么此事件是<a href="/zh-CN/docs/Web/API/UIEvent"><code>UIEvent</code></a>实例。</p></div><section aria-labelledby="示例"><h2 id="示例"><a href="#示例">示例</a></h2><div class="section-content"></div></section><section aria-labelledby="在线示例"><h3 id="在线示例"><a href="#在线示例">在线示例</a></h3><div class="section-content"><h4 id="html">HTML</h4> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><div class="controls"> <button id="script-error" type="button">Generate script error</button> <img class="bad-img" /> </div> <div class="event-log"> <label>Event log:</label> <textarea readonly class="event-log-contents" rows="8" cols="30"></textarea> </div> </code></pre></div> <div class="code-example"><pre class="brush: css hidden notranslate"><code>body { display: grid; grid-template-areas: "control log"; } .controls { grid-area: control; display: flex; align-items: center; justify-content: center; } .event-log { grid-area: log; } .event-log-contents { resize: none; } label, button { display: block; } button { height: 2rem; margin: 0.5rem; } img { width: 0; height: 0; } </code></pre></div> <h4 id="js">JS</h4> <div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>const log = document.querySelector(".event-log-contents"); window.addEventListener("error", (event) => { log.textContent = log.textContent + `${event.type}: ${event.message}\n`; console.log(event); }); const scriptError = document.querySelector("#script-error"); scriptError.addEventListener("click", () => { const badCode = "const s;"; eval(badCode); }); </code></pre></div> <h4 id="结果">结果</h4><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="在线示例 sample" id="frame_在线示例" width="100%" height="150px" src="about:blank" data-live-path="/zh-CN/docs/Web/API/Window/error_event" data-live-id="在线示例" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><h2 id="规范"><a href="#规范">规范</a></h2><table class="standard-table"><thead><tr><th scope="col">Specification</th></tr></thead><tbody><tr><td><a href="https://html.spec.whatwg.org/multipage/indices.html#event-error">HTML Standard <br/><small># event-error</small></a></td></tr><tr><td><a href="https://html.spec.whatwg.org/multipage/webappapis.html#handler-onerror">HTML Standard <br/><small># handler-onerror</small></a></td></tr></tbody></table><h2 id="浏览器兼容性"><a href="#浏览器兼容性">浏览器兼容性</a></h2><p>BCD tables only load in the browser<noscript> with JavaScript enabled. Enable JavaScript to view data.</noscript></p><section aria-labelledby="相关事件"><h2 id="相关事件"><a href="#相关事件">相关事件</a></h2><div class="section-content"><ul> <li>This event on <code>Element</code> targets: <a href="/zh-CN/docs/Web/API/HTMLElement/error_event"><code>error</code></a> event</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 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 0 0 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Content available under <a href="/zh-CN/docs/MDN/Writing_guidelines/Attrib_copyright_license">a Creative Commons license</a>.</p></div></div></footer></div><script type="application/json" id="hydration">{"url":"/zh-CN/docs/Web/API/Window/error_event","doc":{"isMarkdown":true,"isTranslated":true,"isActive":true,"flaws":{},"title":"Window: error event","mdn_url":"/zh-CN/docs/Web/API/Window/error_event","locale":"zh-CN","native":"中文 (简体)","browserCompat":["api.Window.error_event"],"baseline":{"baseline":"high","baseline_high_date":"2018-01-29","baseline_low_date":"2015-07-29","support":{"chrome":"1","chrome_android":"18","edge":"12","firefox":"1","firefox_android":"4","safari":"1","safari_ios":"1"}},"sidebarHTML":"<ol><li class=\"section\"><a href=\"/zh-CN/docs/Web/API/Window\"><code>Window</code></a></li><li class=\"toggle\"><details open=\"\"><summary>实例属性</summary><ol><li><a href=\"/zh-CN/docs/Web/API/Window/caches\"><code>caches</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/closed\"><code>closed</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/console\"><code>console</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/cookieStore\"><code>cookieStore</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/credentialless\"><code>credentialless</code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/Window/crossOriginIsolated\"><code>crossOriginIsolated</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/crypto\"><code>crypto</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/customElements\"><code>customElements</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/devicePixelRatio\"><code>devicePixelRatio</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/document\"><code>document</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/documentPictureInPicture\"><code>documentPictureInPicture</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/event\"><code>event</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/external\"><code>external</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/fence\"><code>fence</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/frameElement\"><code>frameElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/frames\"><code>frames</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/fullScreen\"><code>fullScreen</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/history\"><code>history</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/indexedDB\"><code>indexedDB</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/innerHeight\"><code>innerHeight</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/innerWidth\"><code>innerWidth</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/isSecureContext\"><code>isSecureContext</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/launchQueue\"><code>launchQueue</code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/Window/length\"><code>length</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/localStorage\"><code>localStorage</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/location\"><code>location</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/locationbar\"><code>locationbar</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/menubar\"><code>menubar</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/mozInnerScreenX\"><code>mozInnerScreenX</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/mozInnerScreenY\"><code>mozInnerScreenY</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/name\"><code>name</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/navigation\"><code>navigation</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/navigator\"><code>navigator</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/opener\"><code>opener</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/orientation\"><code>orientation</code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/Window/origin\"><code>origin</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/originAgentCluster\"><code>originAgentCluster</code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/Window/outerHeight\"><code>outerHeight</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/outerWidth\"><code>outerWidth</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/parent\"><code>parent</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/performance\"><code>performance</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/personalbar\"><code>personalbar</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/scheduler\"><code>scheduler</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/screen\"><code>screen</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/screenLeft\"><code>screenLeft</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/screenTop\"><code>screenTop</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/screenX\"><code>screenX</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/screenY\"><code>screenY</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/scrollbars\"><code>scrollbars</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/scrollMaxX\"><code>scrollMaxX</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/scrollMaxY\"><code>scrollMaxY</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/scrollX\"><code>scrollX</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/scrollY\"><code>scrollY</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/self\"><code>self</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/sessionStorage\"><code>sessionStorage</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/sharedStorage\"><code>sharedStorage</code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/speechSynthesis\"><code>speechSynthesis</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/status\"><code>status</code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/Window/statusbar\"><code>statusbar</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/toolbar\"><code>toolbar</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/top\"><code>top</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/trustedTypes\"><code>trustedTypes</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/visualViewport\"><code>visualViewport</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/window\"><code>window</code></a></li></ol></details></li><li class=\"toggle\"><details open=\"\"><summary>实例方法</summary><ol><li><a href=\"/zh-CN/docs/Web/API/Window/alert\"><code>alert()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/atob\"><code>atob()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/back\"><code>back()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/blur\"><code>blur()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/btoa\"><code>btoa()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/cancelAnimationFrame\"><code>cancelAnimationFrame()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/cancelIdleCallback\"><code>cancelIdleCallback()</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/captureEvents\"><code>captureEvents()</code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/Window/clearImmediate\"><code>clearImmediate()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/clearInterval\"><code>clearInterval()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/clearTimeout\"><code>clearTimeout()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/close\"><code>close()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/confirm\"><code>confirm()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/createImageBitmap\"><code>createImageBitmap()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/dump\"><code>dump()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/fetch\"><code>fetch()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/find\"><code>find()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/focus\"><code>focus()</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/forward\"><code>forward()</code></a><abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n <span class=\"visually-hidden\">非标准</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/Window/getComputedStyle\"><code>getComputedStyle()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/getDefaultComputedStyle\"><code>getDefaultComputedStyle()</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/getScreenDetails\"><code>getScreenDetails()</code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/Window/getSelection\"><code>getSelection()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/matchMedia\"><code>matchMedia()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/moveBy\"><code>moveBy()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/moveTo\"><code>moveTo()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/open\"><code>open()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/postMessage\"><code>postMessage()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/print\"><code>print()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/prompt\"><code>prompt()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/queryLocalFonts\"><code>queryLocalFonts()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/queueMicrotask\"><code>queueMicrotask()</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/releaseEvents\"><code>releaseEvents()</code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/Window/reportError\"><code>reportError()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/requestAnimationFrame\"><code>requestAnimationFrame()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/requestFileSystem\"><code>requestFileSystem()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/requestIdleCallback\"><code>requestIdleCallback()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/resizeBy\"><code>resizeBy()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/resizeTo\"><code>resizeTo()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/scroll\"><code>scroll()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/scrollBy\"><code>scrollBy()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/scrollByLines\"><code>scrollByLines()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/scrollByPages\"><code>scrollByPages()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/scrollTo\"><code>scrollTo()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/setImmediate\"><code>setImmediate()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/setInterval\"><code>setInterval()</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/setResizable\"><code>setResizable()</code></a><abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n <span class=\"visually-hidden\">非标准</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/Window/setTimeout\"><code>setTimeout()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/showDirectoryPicker\"><code>showDirectoryPicker()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/showModalDialog\"><code>showModalDialog()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/showOpenFilePicker\"><code>showOpenFilePicker()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/showSaveFilePicker\"><code>showSaveFilePicker()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/sizeToContent\"><code>sizeToContent()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/stop\"><code>stop()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/structuredClone\"><code>structuredClone()</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/webkitConvertPointFromNodeToPage\"><code>webkitConvertPointFromNodeToPage()</code></a><abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n <span class=\"visually-hidden\">非标准</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/webkitConvertPointFromPageToNode\"><code>webkitConvertPointFromPageToNode()</code></a><abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n <span class=\"visually-hidden\">非标准</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li></ol></details></li><li class=\"toggle\"><details open=\"\"><summary>事件</summary><ol><li><a href=\"/zh-CN/docs/Web/API/Window/afterprint_event\"><code>afterprint</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/appinstalled_event\"><code>appinstalled</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/beforeinstallprompt_event\"><code>beforeinstallprompt</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/beforeprint_event\"><code>beforeprint</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/beforeunload_event\"><code>beforeunload</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/blur_event\"><code>blur</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/copy_event\"><code>copy</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/cut_event\"><code>cut</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/devicemotion_event\"><code>devicemotion</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/deviceorientation_event\"><code>deviceorientation</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/deviceorientationabsolute_event\"><code>deviceorientationabsolute</code></a></li><li><em><code>error</code> </em></li><li><a href=\"/zh-CN/docs/Web/API/Window/focus_event\"><code>focus</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/gamepadconnected_event\"><code>gamepadconnected</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/gamepaddisconnected_event\"><code>gamepaddisconnected</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/hashchange_event\"><code>hashchange</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/languagechange_event\"><code>languagechange</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/load_event\"><code>load</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/message_event\"><code>message</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/messageerror_event\"><code>messageerror</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/offline_event\"><code>offline</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/online_event\"><code>online</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/orientationchange_event\"><code>orientationchange</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/pagehide_event\"><code>pagehide</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/pagereveal_event\"><code>pagereveal</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/pageshow_event\"><code>pageshow</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/pageswap_event\"><code>pageswap</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/paste_event\"><code>paste</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/popstate_event\"><code>popstate</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/rejectionhandled_event\"><code>rejectionhandled</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/resize_event\"><code>resize</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/scrollsnapchange_event\"><code>scrollsnapchange</code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/scrollsnapchanging_event\"><code>scrollsnapchanging</code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/API/Window/storage_event\"><code>storage</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/unhandledrejection_event\"><code>unhandledrejection</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/unload_event\"><code>unload</code></a></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/vrdisplayactivate_event\"><code>vrdisplayactivate</code></a><abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n <span class=\"visually-hidden\">非标准</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/vrdisplayconnect_event\"><code>vrdisplayconnect</code></a><abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n <span class=\"visually-hidden\">非标准</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/vrdisplaydeactivate_event\"><code>vrdisplaydeactivate</code></a><abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n <span class=\"visually-hidden\">非标准</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/vrdisplaydisconnect_event\"><code>vrdisplaydisconnect</code></a><abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n <span class=\"visually-hidden\">非标准</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/API/Window/vrdisplaypresentchange_event\"><code>vrdisplaypresentchange</code></a><abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n <span class=\"visually-hidden\">非标准</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li></ol></details></li><li class=\"toggle\"><details open=\"\"><summary>继承</summary><ol><li><a href=\"/zh-CN/docs/Web/API/EventTarget\"><code>EventTarget</code></a></li></ol></details></li></ol>","sidebarMacro":"APIRef","body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p>当资源加载失败或无法使用时，会在<a href=\"/zh-CN/docs/Web/API/Window\"><code>Window</code></a>对象触发<code>error</code>事件。例如：script 执行时报错。</p>\n<figure class=\"table-container\"><table class=\"properties\">\n <tbody>\n <tr>\n <th scope=\"row\">Bubbles（支持冒泡）</th>\n <td>No</td>\n </tr>\n <tr>\n <th scope=\"row\">Cancelable（可撤销）</th>\n <td>No</td>\n </tr>\n <tr>\n <th scope=\"row\">Interface（接口）</th>\n <td><a href=\"/zh-CN/docs/Web/API/Event\"><code>Event</code></a> or <a href=\"/zh-CN/docs/Web/API/UIEvent\"><code>UIEvent</code></a></td>\n </tr>\n <tr>\n <th scope=\"row\">Event handler property（事件处理程序属性）</th>\n <td><code><a href=\"/zh-CN/docs/Web/API/Window/error_event\">onerror</a></code></td>\n </tr>\n </tbody>\n</table></figure>\n<p>如果它是由用户界面元素生成的，或者是由事件实例生成的，那么此事件是<a href=\"/zh-CN/docs/Web/API/UIEvent\"><code>UIEvent</code></a>实例。</p>"}},{"type":"prose","value":{"id":"示例","title":"示例","isH3":false,"content":""}},{"type":"prose","value":{"id":"在线示例","title":"在线示例","isH3":true,"content":"<h4 id=\"html\">HTML</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><div class=\"controls\">\n <button id=\"script-error\" type=\"button\">Generate script error</button>\n <img class=\"bad-img\" />\n</div>\n\n<div class=\"event-log\">\n <label>Event log:</label>\n <textarea readonly class=\"event-log-contents\" rows=\"8\" cols=\"30\"></textarea>\n</div>\n</code></pre></div>\n<div class=\"code-example\"><pre class=\"brush: css hidden notranslate\"><code>body {\n display: grid;\n grid-template-areas: \"control log\";\n}\n\n.controls {\n grid-area: control;\n display: flex;\n align-items: center;\n justify-content: center;\n}\n\n.event-log {\n grid-area: log;\n}\n\n.event-log-contents {\n resize: none;\n}\n\nlabel,\nbutton {\n display: block;\n}\n\nbutton {\n height: 2rem;\n margin: 0.5rem;\n}\n\nimg {\n width: 0;\n height: 0;\n}\n</code></pre></div>\n<h4 id=\"js\">JS</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>const log = document.querySelector(\".event-log-contents\");\n\nwindow.addEventListener(\"error\", (event) => {\n log.textContent = log.textContent + `${event.type}: ${event.message}\\n`;\n console.log(event);\n});\n\nconst scriptError = document.querySelector(\"#script-error\");\nscriptError.addEventListener(\"click\", () => {\n const badCode = \"const s;\";\n eval(badCode);\n});\n</code></pre></div>\n<h4 id=\"结果\">结果</h4><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"在线示例 sample\" id=\"frame_在线示例\" width=\"100%\" height=\"150px\" src=\"about:blank\" data-live-path=\"/zh-CN/docs/Web/API/Window/error_event\" data-live-id=\"在线示例\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"specifications","value":{"title":"规范","id":"规范","isH3":false,"specifications":[{"bcdSpecificationURL":"https://html.spec.whatwg.org/multipage/indices.html#event-error","title":"HTML Standard"},{"bcdSpecificationURL":"https://html.spec.whatwg.org/multipage/webappapis.html#handler-onerror","title":"HTML Standard"}],"query":"api.Window.error_event"}},{"type":"browser_compatibility","value":{"title":"浏览器兼容性","id":"浏览器兼容性","isH3":false,"query":"api.Window.error_event"}},{"type":"prose","value":{"id":"相关事件","title":"相关事件","isH3":false,"content":"<ul>\n <li>This event on <code>Element</code> targets: <a href=\"/zh-CN/docs/Web/API/HTMLElement/error_event\"><code>error</code></a> event</li>\n</ul>"}}],"toc":[{"text":"示例","id":"示例"},{"text":"规范","id":"规范"},{"text":"浏览器兼容性","id":"浏览器兼容性"},{"text":"相关事件","id":"相关事件"}],"summary":"当资源加载失败或无法使用时，会在Window对象触发error事件。例如：script 执行时报错。","popularity":0.0013,"modified":"2023-07-30T02:54:01.000Z","other_translations":[{"locale":"de","title":"Window: error Event","native":"Deutsch"},{"locale":"en-US","title":"Window: error event","native":"English (US)"},{"locale":"es","title":"GlobalEventHandlers.onerror","native":"Español"},{"locale":"fr","title":"GlobalEventHandlers.onerror","native":"Français"},{"locale":"ja","title":"Window: error イベント","native":"日本語"},{"locale":"pt-BR","title":"GlobalEventHandlers.onerror","native":"Português (do Brasil)"},{"locale":"ru","title":"GlobalEventHandlers.onerror","native":"Русский"}],"pageType":"unknown","source":{"folder":"zh-cn/web/api/window/error_event","github_url":"https://github.com/mdn/translated-content/blob/main/files/zh-cn/web/api/window/error_event/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/8203590ee10412d2475fcaea9c13a2702962f86d","filename":"index.md"},"short_title":"Window: error event","parents":[{"uri":"/zh-CN/docs/Web","title":"面向开发者的 Web 技术"},{"uri":"/zh-CN/docs/Web/API","title":"Web API"},{"uri":"/zh-CN/docs/Web/API/Window","title":"Window"},{"uri":"/zh-CN/docs/Web/API/Window/error_event","title":"Window: error event"}],"pageTitle":"Window: error event - Web API | MDN","noIndexing":false}}</script></body></html>