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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="#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="#参见">参见</a></li></ul></section></div></div><div class="sidebar-body"><ol><li class="section"><a href="/zh-CN/docs/Web/API/Canvas_API">Canvas API</a></li><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/cookieStore"><code>cookieStore</code></a></li><li><a href="/en-US/docs/Web/API/Window/credentialless" class="only-in-en-us"><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><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/event"><code>event</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/external"><code>external</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/fence"><code>fence</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/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><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></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 href="/en-US/docs/Web/API/Window/launchQueue" class="only-in-en-us"><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><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></li><li><a href="/zh-CN/docs/Web/API/Window/mozInnerScreenY"><code>mozInnerScreenY</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></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><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/navigator"><code>navigator</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/opener"><code>opener</code></a></li><li><a href="/en-US/docs/Web/API/Window/orientation" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/originAgentCluster" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/scheduler" class="only-in-en-us"><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><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></li><li><a href="/zh-CN/docs/Web/API/Window/scrollMaxY"><code>scrollMaxY</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></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 href="/en-US/docs/Web/API/Window/sharedStorage" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/speechSynthesis" class="only-in-en-us"><code>speechSynthesis</code></a></li><li><a href="/en-US/docs/Web/API/Window/status" class="only-in-en-us"><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><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/blur"><code>blur()</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/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 href="/en-US/docs/Web/API/Window/captureEvents" class="only-in-en-us"><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><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/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><em><a href="/zh-CN/docs/Web/API/Window/createImageBitmap" aria-current="page"><code>createImageBitmap()</code></a></em></li><li><a href="/zh-CN/docs/Web/API/Window/dump"><code>dump()</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></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><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></li><li><a href="/zh-CN/docs/Web/API/Window/focus"><code>focus()</code></a></li><li><a href="/en-US/docs/Web/API/Window/forward" class="only-in-en-us"><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><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></li><li><a href="/en-US/docs/Web/API/Window/getScreenDetails" class="only-in-en-us"><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><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/queueMicrotask"><code>queueMicrotask()</code></a></li><li><a href="/en-US/docs/Web/API/Window/releaseEvents" class="only-in-en-us"><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><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/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><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></li><li><a href="/zh-CN/docs/Web/API/Window/scrollByPages"><code>scrollByPages()</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></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><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/setInterval"><code>setInterval()</code></a></li><li><a href="/en-US/docs/Web/API/Window/setResizable" class="only-in-en-us"><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><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/showModalDialog"><code>showModalDialog()</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/showOpenFilePicker"><code>showOpenFilePicker()</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/showSaveFilePicker"><code>showSaveFilePicker()</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/sizeToContent"><code>sizeToContent()</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></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 href="/en-US/docs/Web/API/Window/webkitConvertPointFromNodeToPage" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/webkitConvertPointFromPageToNode" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/deviceorientationabsolute_event" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/gamepaddisconnected_event" class="only-in-en-us"><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><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/pagehide_event"><code>pagehide</code></a></li><li><a href="/en-US/docs/Web/API/Window/pagereveal_event" class="only-in-en-us"><code>pagereveal</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/pageshow_event"><code>pageshow</code></a></li><li><a href="/en-US/docs/Web/API/Window/pageswap_event" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/scrollsnapchange_event" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/scrollsnapchanging_event" class="only-in-en-us"><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><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="/en-US/docs/Web/API/Window/vrdisplayactivate_event" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/vrdisplayconnect_event" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/vrdisplaydeactivate_event" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/vrdisplaydisconnect_event" class="only-in-en-us"><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 href="/en-US/docs/Web/API/Window/vrdisplaypresentchange_event" class="only-in-en-us"><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><li class="toggle"><details open=""><summary>Canvas API 的相关页面</summary><ol><li><a href="/zh-CN/docs/Web/API/CanvasGradient"><code>CanvasGradient</code></a></li><li><a href="/zh-CN/docs/Web/API/CanvasPattern"><code>CanvasPattern</code></a></li><li><a href="/zh-CN/docs/Web/API/CanvasRenderingContext2D"><code>CanvasRenderingContext2D</code></a></li><li><a href="/zh-CN/docs/Web/API/HTMLCanvasElement"><code>HTMLCanvasElement</code></a></li><li><a href="/zh-CN/docs/Web/API/ImageBitmap"><code>ImageBitmap</code></a></li><li><a href="/zh-CN/docs/Web/API/ImageBitmapRenderingContext"><code>ImageBitmapRenderingContext</code></a></li><li><a href="/zh-CN/docs/Web/API/ImageData"><code>ImageData</code></a></li><li><a href="/zh-CN/docs/Web/API/OffscreenCanvas"><code>OffscreenCanvas</code></a></li><li><a href="/en-US/docs/Web/API/OffscreenCanvasRenderingContext2D" class="only-in-en-us"><code>OffscreenCanvasRenderingContext2D</code></a></li><li><a href="/zh-CN/docs/Web/API/Path2D"><code>Path2D</code></a></li><li><a href="/zh-CN/docs/Web/API/TextMetrics"><code>TextMetrics</code></a></li><li><a href="/zh-CN/docs/Web/API/Window/createImageBitmap" aria-current="page"><code>Window.createImageBitmap()</code></a></li><li><a href="/zh-CN/docs/Web/API/WorkerGlobalScope/createImageBitmap"><code>WorkerGlobalScope.createImageBitmap()</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="#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="#参见">参见</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：createImageBitmap() 方法</h1></header><div class="section-content"><p><a href="/zh-CN/docs/Web/API/Window"><code>Window</code></a> 接口的 <strong><code>createImageBitmap</code></strong> 从给定的来源创建位图，也可以进行裁剪以包含源图像的一部分。它接受各种不同的图像来源，并返回一个会兑现 <a href="/zh-CN/docs/Web/API/ImageBitmap"><code>ImageBitmap</code></a> 的 <a href="/zh-CN/docs/Web/API/Promise" class="only-in-en-us"><code>Promise</code></a>。</p></div><section aria-labelledby="语法"><h2 id="语法"><a href="#语法">语法</a></h2><div class="section-content"><div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>createImageBitmap(image) createImageBitmap(image, options) createImageBitmap(image, sx, sy, sw, sh) createImageBitmap(image, sx, sy, sw, sh, options) </code></pre></div></div></section><section aria-labelledby="参数"><h3 id="参数"><a href="#参数">参数</a></h3><div class="section-content"><dl> <dt id="image"><a href="#image"><code>image</code></a></dt> <dd> <p>图像源，可以是以下值之一：</p> <ul> <li><a href="/zh-CN/docs/Web/API/HTMLImageElement"><code>HTMLImageElement</code></a></li> <li><a href="/en-US/docs/Web/API/SVGImageElement" class="only-in-en-us"><code>SVGImageElement</code></a></li> <li><a href="/zh-CN/docs/Web/API/HTMLVideoElement"><code>HTMLVideoElement</code></a></li> <li><a href="/zh-CN/docs/Web/API/HTMLCanvasElement"><code>HTMLCanvasElement</code></a></li> <li><a href="/zh-CN/docs/Web/API/Blob"><code>Blob</code></a></li> <li><a href="/zh-CN/docs/Web/API/ImageData"><code>ImageData</code></a></li> <li><a href="/zh-CN/docs/Web/API/ImageBitmap"><code>ImageBitmap</code></a></li> <li><a href="/zh-CN/docs/Web/API/OffscreenCanvas"><code>OffscreenCanvas</code></a></li> <li><a href="/en-US/docs/Web/API/VideoFrame" class="only-in-en-us"><code>VideoFrame</code></a></li> </ul> </dd> <dt id="sx"><a href="#sx"><code>sx</code></a></dt> <dd> <p>将从中提取 <code>ImageBitmap</code> 的矩形的参考点的 x 坐标。</p> </dd> <dt id="sy"><a href="#sy"><code>sy</code></a></dt> <dd> <p>将从中提取 <code>ImageBitmap</code> 的矩形的参考点的 y 坐标。</p> </dd> <dt id="sw"><a href="#sw"><code>sw</code></a></dt> <dd> <p>将从中提取 <code>ImageBitmap</code> 的矩形的宽度。此值可以为负数。</p> </dd> <dt id="sh"><a href="#sh"><code>sh</code></a></dt> <dd> <p>将从中提取 <code>ImageBitmap</code> 的矩形的高度。此值可以为负数。</p> </dd> <dt id="options"><a href="#options"><code>options</code> <span class="badge inline optional">可选</span></a></dt> <dd> <p>设置图像提取选项的对象。可用的选项包括：</p> <dl> <dt id="imageorientation"><a href="#imageorientation"><code>imageOrientation</code></a></dt> <dd> <p>指定位图图像的方向。</p> <dl> <dt id="from-image"><a href="#from-image"><code>from-image</code></a></dt> <dd> <p>如果存在 EXIF 方向元数据，则根据其来指定图像方向（默认）。</p> </dd> <dt id="flipy"><a href="#flipy"><code>flipY</code></a></dt> <dd> <p>如果存在 EXIF 方向元数据，则根据其来指定图像方向，然后垂直翻转。</p> </dd> <dt id="none"><a href="#none"><code>none</code></a></dt> <dd> <p>根据图像的编码来指定图像方向，忽略有关方向的任何元数据（例如，可能添加到图像中的 EXIF 元数据，以指示相机被转向以在人像模式下捕获图像）。</p> </dd> </dl> </dd> <dt id="premultiplyalpha"><a href="#premultiplyalpha"><code>premultiplyAlpha</code></a></dt> <dd> <p>指定位图的颜色通道是否应与 alpha 通道预乘。以下值之一：<code>none</code>、<code>premultiply</code> 或 <code>default</code>（默认）。</p> </dd> <dt id="colorspaceconversion"><a href="#colorspaceconversion"><code>colorSpaceConversion</code></a></dt> <dd> <p>指定图像是否应使用色彩空间转换进行解码。<code>none</code> 或 <code>default</code>（默认）。<code>default</code> 值表示使用特定于实现的行为。</p> </dd> <dt id="resizewidth"><a href="#resizewidth"><code>resizeWidth</code></a></dt> <dd> <p>指定输出宽度的长整数。</p> </dd> <dt id="resizeheight"><a href="#resizeheight"><code>resizeHeight</code></a></dt> <dd> <p>指定输出高度的长整数。</p> </dd> <dt id="resizequality"><a href="#resizequality"><code>resizeQuality</code></a></dt> <dd> <p>指定用于调整输入大小以匹配输出尺寸的算法。以下值之一：<code>pixelated</code>、<code>low</code>（默认）、<code>medium</code> 或 <code>high</code>。</p> </dd> </dl> </dd> </dl></div></section><section aria-labelledby="返回值"><h3 id="返回值"><a href="#返回值">返回值</a></h3><div class="section-content"><p>一个 <a href="/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Promise"><code>Promise</code></a>，会兑现为一个包含给定矩形的位图数据的 <a href="/zh-CN/docs/Web/API/ImageBitmap"><code>ImageBitmap</code></a> 对象。</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="通过精灵表创建精灵"><h3 id="通过精灵表创建精灵"><a href="#通过精灵表创建精灵">通过精灵表创建精灵</a></h3><div class="section-content"><p>此示例加载精灵表（sprite sheet），从中提取精灵，然后将每个精灵渲染到画布上。精灵表是包含多个较小图像（你希望能够单独渲染每个图像）的图像。</p> <div class="code-example"><pre class="brush: html hidden notranslate"><code>原图像：<img src="50x50.jpg" /> <hr /> <canvas id="myCanvas"></canvas> </code></pre></div> <div class="code-example"><pre class="brush: css hidden notranslate"><code>canvas { border: 2px solid green; } </code></pre></div> <div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>const canvas = document.getElementById("myCanvas"), ctx = canvas.getContext("2d"), image = new Image(); // 等待精灵表加载完成 image.onload = () => { Promise.all([ // 从精灵表中裁剪出两个精灵 createImageBitmap(image, 0, 0, 32, 32), createImageBitmap(image, 32, 0, 32, 32), createImageBitmap(image, 0, 0, 50, 50, { imageOrientation: "flipY" }), ]).then((sprites) => { // 将每个精灵绘制到画布上 ctx.drawImage(sprites[0], 0, 0); ctx.drawImage(sprites[1], 32, 32); ctx.drawImage(sprites[2], 64, 64); }); }; // 从图像文件加载精灵表 image.src = "50x50.jpg"; </code></pre></div> <div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="通过精灵表创建精灵 sample" id="frame_通过精灵表创建精灵" width="100%" height="250" src="about:blank" data-live-path="/zh-CN/docs/Web/API/Window/createImageBitmap/" data-live-id="通过精灵表创建精灵" 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/imagebitmap-and-animations.html#dom-createimagebitmap-dev">HTML <br/><small># dom-createimagebitmap-dev</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="参见"><h2 id="参见"><a href="#参见">参见</a></h2><div class="section-content"><ul> <li><a href="/zh-CN/docs/Web/API/WorkerGlobalScope/createImageBitmap"><code>WorkerGlobalScope.createImageBitmap()</code></a></li> <li><a href="/zh-CN/docs/Web/API/CanvasRenderingContext2D/drawImage"><code>CanvasRenderingContext2D.drawImage()</code></a></li> <li><a href="/zh-CN/docs/Web/API/ImageData"><code>ImageData</code></a></li> </ul></div></section></article><aside class="article-footer"><div class="article-footer-inner"><div class="svg-container"><svg xmlns="http://www.w3.org/2000/svg" width="162" height="162" viewBox="0 0 162 162" fill="none" role="none"><mask id="b" fill="#fff"><path d="M97.203 47.04c8.113-7.886 18.004-13.871 28.906-17.492a78 78 0 0 1 33.969-3.39c11.443 1.39 22.401 5.295 32.024 11.411s17.656 14.28 23.476 23.86c5.819 9.579 9.269 20.318 10.083 31.385a69.85 69.85 0 0 1-5.387 32.44c-4.358 10.272-11.115 19.443-19.747 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content are ©1998–2025 by individual mozilla.org contributors. 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/createImageBitmap","doc":{"body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p><a href=\"/zh-CN/docs/Web/API/Window\"><code>Window</code></a> 接口的 <strong><code>createImageBitmap</code></strong> 从给定的来源创建位图，也可以进行裁剪以包含源图像的一部分。它接受各种不同的图像来源，并返回一个会兑现 <a href=\"/zh-CN/docs/Web/API/ImageBitmap\"><code>ImageBitmap</code></a> 的 <a href=\"/zh-CN/docs/Web/API/Promise\" class=\"only-in-en-us\"><code>Promise</code></a>。</p>"}},{"type":"prose","value":{"id":"语法","title":"语法","isH3":false,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>createImageBitmap(image)\ncreateImageBitmap(image, options)\ncreateImageBitmap(image, sx, sy, sw, sh)\ncreateImageBitmap(image, sx, sy, sw, sh, options)\n</code></pre></div>"}},{"type":"prose","value":{"id":"参数","title":"参数","isH3":true,"content":"<dl>\n<dt id=\"image\"><a href=\"#image\"><code>image</code></a></dt>\n<dd>\n<p>图像源，可以是以下值之一：</p>\n<ul>\n<li><a href=\"/zh-CN/docs/Web/API/HTMLImageElement\"><code>HTMLImageElement</code></a></li>\n<li><a href=\"/en-US/docs/Web/API/SVGImageElement\" class=\"only-in-en-us\"><code>SVGImageElement</code></a></li>\n<li><a href=\"/zh-CN/docs/Web/API/HTMLVideoElement\"><code>HTMLVideoElement</code></a></li>\n<li><a href=\"/zh-CN/docs/Web/API/HTMLCanvasElement\"><code>HTMLCanvasElement</code></a></li>\n<li><a href=\"/zh-CN/docs/Web/API/Blob\"><code>Blob</code></a></li>\n<li><a href=\"/zh-CN/docs/Web/API/ImageData\"><code>ImageData</code></a></li>\n<li><a href=\"/zh-CN/docs/Web/API/ImageBitmap\"><code>ImageBitmap</code></a></li>\n<li><a href=\"/zh-CN/docs/Web/API/OffscreenCanvas\"><code>OffscreenCanvas</code></a></li>\n<li><a href=\"/en-US/docs/Web/API/VideoFrame\" class=\"only-in-en-us\"><code>VideoFrame</code></a></li>\n</ul>\n</dd>\n<dt id=\"sx\"><a href=\"#sx\"><code>sx</code></a></dt>\n<dd>\n<p>将从中提取 <code>ImageBitmap</code> 的矩形的参考点的 x 坐标。</p>\n</dd>\n<dt id=\"sy\"><a href=\"#sy\"><code>sy</code></a></dt>\n<dd>\n<p>将从中提取 <code>ImageBitmap</code> 的矩形的参考点的 y 坐标。</p>\n</dd>\n<dt id=\"sw\"><a href=\"#sw\"><code>sw</code></a></dt>\n<dd>\n<p>将从中提取 <code>ImageBitmap</code> 的矩形的宽度。此值可以为负数。</p>\n</dd>\n<dt id=\"sh\"><a href=\"#sh\"><code>sh</code></a></dt>\n<dd>\n<p>将从中提取 <code>ImageBitmap</code> 的矩形的高度。此值可以为负数。</p>\n</dd>\n<dt id=\"options\"><a href=\"#options\"><code>options</code> <span class=\"badge inline optional\">可选</span></a></dt>\n<dd>\n<p>设置图像提取选项的对象。可用的选项包括：</p>\n<dl>\n<dt id=\"imageorientation\"><a href=\"#imageorientation\"><code>imageOrientation</code></a></dt>\n<dd>\n<p>指定位图图像的方向。</p>\n<dl>\n<dt id=\"from-image\"><a href=\"#from-image\"><code>from-image</code></a></dt>\n<dd>\n<p>如果存在 EXIF 方向元数据，则根据其来指定图像方向（默认）。</p>\n</dd>\n<dt id=\"flipy\"><a href=\"#flipy\"><code>flipY</code></a></dt>\n<dd>\n<p>如果存在 EXIF 方向元数据，则根据其来指定图像方向，然后垂直翻转。</p>\n</dd>\n<dt id=\"none\"><a href=\"#none\"><code>none</code></a></dt>\n<dd>\n<p>根据图像的编码来指定图像方向，忽略有关方向的任何元数据（例如，可能添加到图像中的 EXIF 元数据，以指示相机被转向以在人像模式下捕获图像）。</p>\n</dd>\n</dl>\n</dd>\n<dt id=\"premultiplyalpha\"><a href=\"#premultiplyalpha\"><code>premultiplyAlpha</code></a></dt>\n<dd>\n<p>指定位图的颜色通道是否应与 alpha 通道预乘。以下值之一：<code>none</code>、<code>premultiply</code> 或 <code>default</code>（默认）。</p>\n</dd>\n<dt id=\"colorspaceconversion\"><a href=\"#colorspaceconversion\"><code>colorSpaceConversion</code></a></dt>\n<dd>\n<p>指定图像是否应使用色彩空间转换进行解码。<code>none</code> 或 <code>default</code>（默认）。<code>default</code> 值表示使用特定于实现的行为。</p>\n</dd>\n<dt id=\"resizewidth\"><a href=\"#resizewidth\"><code>resizeWidth</code></a></dt>\n<dd>\n<p>指定输出宽度的长整数。</p>\n</dd>\n<dt id=\"resizeheight\"><a href=\"#resizeheight\"><code>resizeHeight</code></a></dt>\n<dd>\n<p>指定输出高度的长整数。</p>\n</dd>\n<dt id=\"resizequality\"><a href=\"#resizequality\"><code>resizeQuality</code></a></dt>\n<dd>\n<p>指定用于调整输入大小以匹配输出尺寸的算法。以下值之一：<code>pixelated</code>、<code>low</code>（默认）、<code>medium</code> 或 <code>high</code>。</p>\n</dd>\n</dl>\n</dd>\n</dl>"}},{"type":"prose","value":{"id":"返回值","title":"返回值","isH3":true,"content":"<p>一个 <a href=\"/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Promise\"><code>Promise</code></a>，会兑现为一个包含给定矩形的位图数据的 <a href=\"/zh-CN/docs/Web/API/ImageBitmap\"><code>ImageBitmap</code></a> 对象。</p>"}},{"type":"prose","value":{"id":"示例","title":"示例","isH3":false,"content":""}},{"type":"prose","value":{"id":"通过精灵表创建精灵","title":"通过精灵表创建精灵","isH3":true,"content":"<p>此示例加载精灵表（sprite sheet），从中提取精灵，然后将每个精灵渲染到画布上。精灵表是包含多个较小图像（你希望能够单独渲染每个图像）的图像。</p>\n<div class=\"code-example\"><pre class=\"brush: html hidden notranslate\"><code>原图像：<img src=\"50x50.jpg\" />\n<hr />\n<canvas id=\"myCanvas\"></canvas>\n</code></pre></div>\n<div class=\"code-example\"><pre class=\"brush: css hidden notranslate\"><code>canvas {\n border: 2px solid green;\n}\n</code></pre></div>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>const canvas = document.getElementById(\"myCanvas\"),\n ctx = canvas.getContext(\"2d\"),\n image = new Image();\n\n// 等待精灵表加载完成\nimage.onload = () => {\n Promise.all([\n // 从精灵表中裁剪出两个精灵\n createImageBitmap(image, 0, 0, 32, 32),\n createImageBitmap(image, 32, 0, 32, 32),\n createImageBitmap(image, 0, 0, 50, 50, { imageOrientation: \"flipY\" }),\n ]).then((sprites) => {\n // 将每个精灵绘制到画布上\n ctx.drawImage(sprites[0], 0, 0);\n ctx.drawImage(sprites[1], 32, 32);\n ctx.drawImage(sprites[2], 64, 64);\n });\n};\n\n// 从图像文件加载精灵表\nimage.src = \"50x50.jpg\";\n</code></pre></div>\n<div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"通过精灵表创建精灵 sample\" id=\"frame_通过精灵表创建精灵\" width=\"100%\" height=\"250\" src=\"about:blank\" data-live-path=\"/zh-CN/docs/Web/API/Window/createImageBitmap/\" data-live-id=\"通过精灵表创建精灵\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"specifications","value":{"id":"规范","title":"规范","isH3":false,"specifications":[{"bcdSpecificationURL":"https://html.spec.whatwg.org/multipage/imagebitmap-and-animations.html#dom-createimagebitmap-dev","title":"HTML"}],"query":"api.createImageBitmap"}},{"type":"browser_compatibility","value":{"id":"浏览器兼容性","title":"浏览器兼容性","isH3":false,"query":"api.createImageBitmap"}},{"type":"prose","value":{"id":"参见","title":"参见","isH3":false,"content":"<ul>\n<li><a href=\"/zh-CN/docs/Web/API/WorkerGlobalScope/createImageBitmap\"><code>WorkerGlobalScope.createImageBitmap()</code></a></li>\n<li><a href=\"/zh-CN/docs/Web/API/CanvasRenderingContext2D/drawImage\"><code>CanvasRenderingContext2D.drawImage()</code></a></li>\n<li><a href=\"/zh-CN/docs/Web/API/ImageData\"><code>ImageData</code></a></li>\n</ul>"}}],"isActive":true,"isMarkdown":true,"isTranslated":true,"locale":"zh-CN","mdn_url":"/zh-CN/docs/Web/API/Window/createImageBitmap","modified":"2024-10-02T07:38:35.000Z","native":"中文 (简体)","noIndexing":false,"other_translations":[{"locale":"en-US","title":"Window: createImageBitmap() method","native":"English (US)"},{"locale":"de","title":"Window: createImageBitmap() Methode","native":"Deutsch"},{"locale":"es","title":"self.createImageBitmap()","native":"Español"},{"locale":"ja","title":"Window: createImageBitmap() メソッド","native":"日本語"}],"pageTitle":"Window：createImageBitmap() 方法 - Web API | MDN","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/createImageBitmap","title":"Window：createImageBitmap() 方法"}],"popularity":null,"short_title":"Window：createImageBitmap() 方法","sidebarHTML":"<ol><li class=\"section\"><a href=\"/zh-CN/docs/Web/API/Canvas_API\">Canvas API</a></li><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/cookieStore\"><code>cookieStore</code></a></li><li><a href=\"/en-US/docs/Web/API/Window/credentialless\" class=\"only-in-en-us\"><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><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/event\"><code>event</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/external\"><code>external</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/fence\"><code>fence</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/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><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></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 href=\"/en-US/docs/Web/API/Window/launchQueue\" class=\"only-in-en-us\"><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><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></li><li><a href=\"/zh-CN/docs/Web/API/Window/mozInnerScreenY\"><code>mozInnerScreenY</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></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><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/navigator\"><code>navigator</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/opener\"><code>opener</code></a></li><li><a href=\"/en-US/docs/Web/API/Window/orientation\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/originAgentCluster\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/scheduler\" class=\"only-in-en-us\"><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><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></li><li><a href=\"/zh-CN/docs/Web/API/Window/scrollMaxY\"><code>scrollMaxY</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></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 href=\"/en-US/docs/Web/API/Window/sharedStorage\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/speechSynthesis\" class=\"only-in-en-us\"><code>speechSynthesis</code></a></li><li><a href=\"/en-US/docs/Web/API/Window/status\" class=\"only-in-en-us\"><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><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/blur\"><code>blur()</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/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 href=\"/en-US/docs/Web/API/Window/captureEvents\" class=\"only-in-en-us\"><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><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/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><em><a href=\"/zh-CN/docs/Web/API/Window/createImageBitmap\" aria-current=\"page\"><code>createImageBitmap()</code></a></em></li><li><a href=\"/zh-CN/docs/Web/API/Window/dump\"><code>dump()</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></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><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></li><li><a href=\"/zh-CN/docs/Web/API/Window/focus\"><code>focus()</code></a></li><li><a href=\"/en-US/docs/Web/API/Window/forward\" class=\"only-in-en-us\"><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><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></li><li><a href=\"/en-US/docs/Web/API/Window/getScreenDetails\" class=\"only-in-en-us\"><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><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/queueMicrotask\"><code>queueMicrotask()</code></a></li><li><a href=\"/en-US/docs/Web/API/Window/releaseEvents\" class=\"only-in-en-us\"><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><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/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><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></li><li><a href=\"/zh-CN/docs/Web/API/Window/scrollByPages\"><code>scrollByPages()</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></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><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/setInterval\"><code>setInterval()</code></a></li><li><a href=\"/en-US/docs/Web/API/Window/setResizable\" class=\"only-in-en-us\"><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><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/showModalDialog\"><code>showModalDialog()</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/showOpenFilePicker\"><code>showOpenFilePicker()</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/showSaveFilePicker\"><code>showSaveFilePicker()</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/sizeToContent\"><code>sizeToContent()</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></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 href=\"/en-US/docs/Web/API/Window/webkitConvertPointFromNodeToPage\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/webkitConvertPointFromPageToNode\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/deviceorientationabsolute_event\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/gamepaddisconnected_event\" class=\"only-in-en-us\"><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><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/pagehide_event\"><code>pagehide</code></a></li><li><a href=\"/en-US/docs/Web/API/Window/pagereveal_event\" class=\"only-in-en-us\"><code>pagereveal</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/pageshow_event\"><code>pageshow</code></a></li><li><a href=\"/en-US/docs/Web/API/Window/pageswap_event\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/scrollsnapchange_event\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/scrollsnapchanging_event\" class=\"only-in-en-us\"><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><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=\"/en-US/docs/Web/API/Window/vrdisplayactivate_event\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/vrdisplayconnect_event\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/vrdisplaydeactivate_event\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/vrdisplaydisconnect_event\" class=\"only-in-en-us\"><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 href=\"/en-US/docs/Web/API/Window/vrdisplaypresentchange_event\" class=\"only-in-en-us\"><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><li class=\"toggle\"><details open=\"\"><summary>Canvas API 的相关页面</summary><ol><li><a href=\"/zh-CN/docs/Web/API/CanvasGradient\"><code>CanvasGradient</code></a></li><li><a href=\"/zh-CN/docs/Web/API/CanvasPattern\"><code>CanvasPattern</code></a></li><li><a href=\"/zh-CN/docs/Web/API/CanvasRenderingContext2D\"><code>CanvasRenderingContext2D</code></a></li><li><a href=\"/zh-CN/docs/Web/API/HTMLCanvasElement\"><code>HTMLCanvasElement</code></a></li><li><a href=\"/zh-CN/docs/Web/API/ImageBitmap\"><code>ImageBitmap</code></a></li><li><a href=\"/zh-CN/docs/Web/API/ImageBitmapRenderingContext\"><code>ImageBitmapRenderingContext</code></a></li><li><a href=\"/zh-CN/docs/Web/API/ImageData\"><code>ImageData</code></a></li><li><a href=\"/zh-CN/docs/Web/API/OffscreenCanvas\"><code>OffscreenCanvas</code></a></li><li><a href=\"/en-US/docs/Web/API/OffscreenCanvasRenderingContext2D\" class=\"only-in-en-us\"><code>OffscreenCanvasRenderingContext2D</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Path2D\"><code>Path2D</code></a></li><li><a href=\"/zh-CN/docs/Web/API/TextMetrics\"><code>TextMetrics</code></a></li><li><a href=\"/zh-CN/docs/Web/API/Window/createImageBitmap\" aria-current=\"page\"><code>Window.createImageBitmap()</code></a></li><li><a href=\"/zh-CN/docs/Web/API/WorkerGlobalScope/createImageBitmap\"><code>WorkerGlobalScope.createImageBitmap()</code></a></li></ol></details></li></ol>","source":{"folder":"zh-cn/web/api/window/createimagebitmap","github_url":"https://github.com/mdn/translated-content/blob/main/files/zh-cn/web/api/window/createimagebitmap/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/1885569c6dab351ce23d960425846580aa2fa994","filename":"index.md"},"summary":"Window 接口的 createImageBitmap 从给定的来源创建位图，也可以进行裁剪以包含源图像的一部分。它接受各种不同的图像来源，并返回一个会兑现 ImageBitmap 的 Promise。","title":"Window：createImageBitmap() 方法","toc":[{"text":"语法","id":"语法"},{"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":"参见","id":"参见"}],"browserCompat":["api.createImageBitmap"],"pageType":"web-api-instance-method"}}</script></body></html>