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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">在本文中</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#语法">语法</a></li><li class="document-toc-item "><a class="document-toc-link" href="#事件类型">事件类型</a></li><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></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><a href="/zh-CN/docs/Web/API/Window/error_event"><code>error</code></a></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><em><code>resize</code> </em></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="#语法">语法</a></li><li class="document-toc-item "><a class="document-toc-link" href="#事件类型">事件类型</a></li><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></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：resize 事件</h1></header><div class="section-content"><p><strong><code>resize</code></strong> 事件在文档视图（窗口）调整大小时触发。</p> <p>这个事件不可取消，不会冒泡。</p> <p>在一些早期的浏览器中，可以在任何 HTML 元素上注册 <code>resize</code> 事件处理器。现在仍然可以设置 <code>onresize</code> 属性或使用 <a href="/zh-CN/docs/Web/API/EventTarget/addEventListener" title="addEventListener()"><code>addEventListener()</code></a> 在任何元素上设置一个处理器。然而，<code>resize</code> 事件只在 <a href="/zh-CN/docs/Web/API/Window" title="window"><code>window</code></a> 对象（即由 <a href="/zh-CN/docs/Web/API/Document/defaultView"><code>document.defaultView</code></a> 返回）上触发。只有在 <code>window</code> 对象上注册的处理器才能接收 <code>resize</code> 事件。</p> <p>虽然现在 <code>resize</code> 事件只针对窗口触发，但你可以使用 <a href="/zh-CN/docs/Web/API/ResizeObserver">ResizeObserver</a> API 获得其他元素的尺寸调整通知。</p> <p>如果对你的应用程序来说，调整大小事件被触发了太多次，请参阅<a href="https://bencentra.com/code/2015/02/27/optimizing-window-resize.html" class="external" target="_blank">优化 window.onresize</a> 来控制事件触发的时间。</p></div><section aria-labelledby="语法"><h2 id="语法"><a href="#语法">语法</a></h2><div class="section-content"><p>在像 <a href="/zh-CN/docs/Web/API/EventTarget/addEventListener" title="addEventListener()"><code>addEventListener()</code></a> 这样的方法中使用事件名称，或者设置事件处理器属性。</p> <div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>addEventListener("resize", (event) => {}); onresize = (event) => {}; </code></pre></div></div></section><section aria-labelledby="事件类型"><h2 id="事件类型"><a href="#事件类型">事件类型</a></h2><div class="section-content"><p>一个通用的 <a href="/zh-CN/docs/Web/API/Event"><code>Event</code></a>。</p></div></section><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="窗口大小记录器"><h3 id="窗口大小记录器"><a href="#窗口大小记录器">窗口大小记录器</a></h3><div class="section-content"><p>以下示例报告了每次改变窗口大小时，窗口的尺寸。</p> <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><p>缩放浏览器窗口以触发 <code>resize</code> 事件</p> <p>窗口高度：<span id="height"></span></p> <p>窗口宽度：<span id="width"></span></p> </code></pre></div> <h4 id="javascript">JavaScript</h4> <div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>const heightOutput = document.querySelector("#height"); const widthOutput = document.querySelector("#width"); function reportWindowSize() { heightOutput.textContent = window.innerHeight; widthOutput.textContent = window.innerWidth; } window.onresize = reportWindowSize; </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="窗口大小记录器 sample" id="frame_窗口大小记录器" src="about:blank" data-live-path="/zh-CN/docs/Web/API/Window/resize_event" data-live-id="窗口大小记录器" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div> <div class="notecard note"> <p><strong>备注：</strong>这里的例子是在 <a href="/zh-CN/docs/Web/HTML/Element/iframe"><code><iframe></code></a> 中输出的，所以报告的宽度和高度值是针对 <code><iframe></code> 的，而不是本页面所在的窗口。特别是，很难调整窗口的大小，以便看到报告高度的不同。</p> <p><a href="#livesample_fullscreen=窗口大小记录器">在示例本身窗口查看示例</a>更容易观察到效果。</p> </div></div></section><section aria-labelledby="addeventlistener_等价形式"><h3 id="addeventlistener_等价形式"><a href="#addeventlistener_等价形式">addEventListener 等价形式</a></h3><div class="section-content"><p>你也可以使用 <a href="/zh-CN/docs/Web/API/EventTarget/addEventListener"><code>addEventListener()</code></a> 方法设定事件处理器：</p> <div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>window.addEventListener("resize", reportWindowSize); </code></pre></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://drafts.csswg.org/cssom-view/#eventdef-window-resize">CSSOM View Module <br/><small># eventdef-window-resize</small></a></td></tr></tbody></table><h2 id="浏览器兼容性"><a 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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/resize_event","doc":{"isMarkdown":true,"isTranslated":true,"isActive":true,"flaws":{},"title":"Window：resize 事件","mdn_url":"/zh-CN/docs/Web/API/Window/resize_event","locale":"zh-CN","native":"中文 (简体)","browserCompat":["api.Window.resize_event"],"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><a href=\"/zh-CN/docs/Web/API/Window/error_event\"><code>error</code></a></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><em><code>resize</code> </em></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><strong><code>resize</code></strong> 事件在文档视图（窗口）调整大小时触发。</p>\n<p>这个事件不可取消，不会冒泡。</p>\n<p>在一些早期的浏览器中，可以在任何 HTML 元素上注册 <code>resize</code> 事件处理器。现在仍然可以设置 <code>onresize</code> 属性或使用 <a href=\"/zh-CN/docs/Web/API/EventTarget/addEventListener\" title=\"addEventListener()\"><code>addEventListener()</code></a> 在任何元素上设置一个处理器。然而，<code>resize</code> 事件只在 <a href=\"/zh-CN/docs/Web/API/Window\" title=\"window\"><code>window</code></a> 对象（即由 <a href=\"/zh-CN/docs/Web/API/Document/defaultView\"><code>document.defaultView</code></a> 返回）上触发。只有在 <code>window</code> 对象上注册的处理器才能接收 <code>resize</code> 事件。</p>\n<p>虽然现在 <code>resize</code> 事件只针对窗口触发，但你可以使用 <a href=\"/zh-CN/docs/Web/API/ResizeObserver\">ResizeObserver</a> API 获得其他元素的尺寸调整通知。</p>\n<p>如果对你的应用程序来说，调整大小事件被触发了太多次，请参阅<a href=\"https://bencentra.com/code/2015/02/27/optimizing-window-resize.html\" class=\"external\" target=\"_blank\">优化 window.onresize</a> 来控制事件触发的时间。</p>"}},{"type":"prose","value":{"id":"语法","title":"语法","isH3":false,"content":"<p>在像 <a href=\"/zh-CN/docs/Web/API/EventTarget/addEventListener\" title=\"addEventListener()\"><code>addEventListener()</code></a> 这样的方法中使用事件名称，或者设置事件处理器属性。</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>addEventListener(\"resize\", (event) => {});\n\nonresize = (event) => {};\n</code></pre></div>"}},{"type":"prose","value":{"id":"事件类型","title":"事件类型","isH3":false,"content":"<p>一个通用的 <a href=\"/zh-CN/docs/Web/API/Event\"><code>Event</code></a>。</p>"}},{"type":"prose","value":{"id":"示例","title":"示例","isH3":false,"content":""}},{"type":"prose","value":{"id":"窗口大小记录器","title":"窗口大小记录器","isH3":true,"content":"<p>以下示例报告了每次改变窗口大小时，窗口的尺寸。</p>\n<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><p>缩放浏览器窗口以触发 <code>resize</code> 事件</p>\n<p>窗口高度：<span id=\"height\"></span></p>\n<p>窗口宽度：<span id=\"width\"></span></p>\n</code></pre></div>\n<h4 id=\"javascript\">JavaScript</h4>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>const heightOutput = document.querySelector(\"#height\");\nconst widthOutput = document.querySelector(\"#width\");\n\nfunction reportWindowSize() {\n heightOutput.textContent = window.innerHeight;\n widthOutput.textContent = window.innerWidth;\n}\n\nwindow.onresize = reportWindowSize;\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=\"窗口大小记录器 sample\" id=\"frame_窗口大小记录器\" src=\"about:blank\" data-live-path=\"/zh-CN/docs/Web/API/Window/resize_event\" data-live-id=\"窗口大小记录器\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>\n<div class=\"notecard note\">\n <p><strong>备注：</strong>这里的例子是在 <a href=\"/zh-CN/docs/Web/HTML/Element/iframe\"><code><iframe></code></a> 中输出的，所以报告的宽度和高度值是针对 <code><iframe></code> 的，而不是本页面所在的窗口。特别是，很难调整窗口的大小，以便看到报告高度的不同。</p>\n <p><a href=\"#livesample_fullscreen=窗口大小记录器\">在示例本身窗口查看示例</a>更容易观察到效果。</p>\n</div>"}},{"type":"prose","value":{"id":"addeventlistener_等价形式","title":"addEventListener 等价形式","isH3":true,"content":"<p>你也可以使用 <a href=\"/zh-CN/docs/Web/API/EventTarget/addEventListener\"><code>addEventListener()</code></a> 方法设定事件处理器：</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>window.addEventListener(\"resize\", reportWindowSize);\n</code></pre></div>"}},{"type":"specifications","value":{"title":"规范","id":"规范","isH3":false,"specifications":[{"bcdSpecificationURL":"https://drafts.csswg.org/cssom-view/#eventdef-window-resize","title":"CSSOM View Module"}],"query":"api.Window.resize_event"}},{"type":"browser_compatibility","value":{"title":"浏览器兼容性","id":"浏览器兼容性","isH3":false,"query":"api.Window.resize_event"}}],"toc":[{"text":"语法","id":"语法"},{"text":"事件类型","id":"事件类型"},{"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"}],"summary":"resize 事件在文档视图（窗口）调整大小时触发。","popularity":0.005,"modified":"2024-07-29T11:15:40.000Z","other_translations":[{"locale":"de","title":"Window: resize Event","native":"Deutsch"},{"locale":"en-US","title":"Window: resize event","native":"English (US)"},{"locale":"es","title":"GlobalEventHandlers.onresize","native":"Español"},{"locale":"fr","title":"GlobalEventHandlers.onresize","native":"Français"},{"locale":"ja","title":"Window: resize イベント","native":"日本語"},{"locale":"ko","title":"resize","native":"한국어"},{"locale":"pt-BR","title":"resize","native":"Português (do Brasil)"},{"locale":"ru","title":"resize","native":"Русский"}],"pageType":"unknown","source":{"folder":"zh-cn/web/api/window/resize_event","github_url":"https://github.com/mdn/translated-content/blob/main/files/zh-cn/web/api/window/resize_event/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/086cc4852d5cca2490b3ba1d87903a01dfc6013f","filename":"index.md"},"short_title":"Window：resize 事件","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/resize_event","title":"Window：resize 事件"}],"pageTitle":"Window：resize 事件 - Web API | MDN","noIndexing":false}}</script></body></html>