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Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/frameElement"><code>frameElement</code></a></li><li><a href="/ja/docs/Web/API/Window/frames"><code>frames</code></a></li><li><a href="/ja/docs/Web/API/Window/fullScreen"><code>fullScreen</code></a></li><li><a href="/ja/docs/Web/API/Window/history"><code>history</code></a></li><li><a href="/ja/docs/Web/API/Window/indexedDB"><code>indexedDB</code></a></li><li><a href="/ja/docs/Web/API/Window/innerHeight"><code>innerHeight</code></a></li><li><a href="/ja/docs/Web/API/Window/innerWidth"><code>innerWidth</code></a></li><li><a href="/ja/docs/Web/API/Window/isSecureContext"><code>isSecureContext</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/launchQueue"><code>launchQueue</code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/length"><code>length</code></a></li><li><a href="/ja/docs/Web/API/Window/localStorage"><code>localStorage</code></a></li><li><a href="/ja/docs/Web/API/Window/location"><code>location</code></a></li><li><a href="/ja/docs/Web/API/Window/locationbar"><code>locationbar</code></a></li><li><a href="/ja/docs/Web/API/Window/menubar"><code>menubar</code></a></li><li><a href="/ja/docs/Web/API/Window/mozInnerScreenX"><code>mozInnerScreenX</code></a></li><li><a href="/ja/docs/Web/API/Window/mozInnerScreenY"><code>mozInnerScreenY</code></a></li><li><a href="/ja/docs/Web/API/Window/name"><code>name</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/navigation"><code>navigation</code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/navigator"><code>navigator</code></a></li><li><a href="/ja/docs/Web/API/Window/opener"><code>opener</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/orientation"><code>orientation</code></a><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/origin"><code>origin</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/originAgentCluster"><code>originAgentCluster</code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/outerHeight"><code>outerHeight</code></a></li><li><a href="/ja/docs/Web/API/Window/outerWidth"><code>outerWidth</code></a></li><li><a href="/ja/docs/Web/API/Window/parent"><code>parent</code></a></li><li><a href="/ja/docs/Web/API/Window/performance"><code>performance</code></a></li><li><a href="/ja/docs/Web/API/Window/personalbar"><code>personalbar</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/scheduler"><code>scheduler</code></a></li><li><a href="/ja/docs/Web/API/Window/screen"><code>screen</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/screenLeft"><code>screenLeft</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/screenTop"><code>screenTop</code></a></li><li><a href="/ja/docs/Web/API/Window/screenX"><code>screenX</code></a></li><li><a href="/ja/docs/Web/API/Window/screenY"><code>screenY</code></a></li><li><a href="/ja/docs/Web/API/Window/scrollbars"><code>scrollbars</code></a></li><li><a href="/ja/docs/Web/API/Window/scrollMaxX"><code>scrollMaxX</code></a></li><li><a href="/ja/docs/Web/API/Window/scrollMaxY"><code>scrollMaxY</code></a></li><li><a href="/ja/docs/Web/API/Window/scrollX"><code>scrollX</code></a></li><li><a href="/ja/docs/Web/API/Window/scrollY"><code>scrollY</code></a></li><li><a href="/ja/docs/Web/API/Window/self"><code>self</code></a></li><li><a href="/ja/docs/Web/API/Window/sessionStorage"><code>sessionStorage</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/sharedStorage"><code>sharedStorage</code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/speechSynthesis"><code>speechSynthesis</code></a></li><li><a href="/ja/docs/Web/API/Window/status"><code>status</code></a></li><li><a href="/ja/docs/Web/API/Window/statusbar"><code>statusbar</code></a></li><li><a href="/ja/docs/Web/API/Window/toolbar"><code>toolbar</code></a></li><li><a href="/ja/docs/Web/API/Window/top"><code>top</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/trustedTypes"><code>trustedTypes</code></a></li><li><a href="/ja/docs/Web/API/Window/visualViewport"><code>visualViewport</code></a></li><li><a href="/ja/docs/Web/API/Window/window"><code>window</code></a></li></ol></details></li><li class="toggle"><details open=""><summary>インスタンスメソッド</summary><ol><li><a href="/ja/docs/Web/API/Window/alert"><code>alert()</code></a></li><li><a href="/ja/docs/Web/API/Window/atob"><code>atob()</code></a></li><li><a href="/ja/docs/Web/API/Window/back"><code>back()</code></a></li><li><a href="/ja/docs/Web/API/Window/blur"><code>blur()</code></a></li><li><a href="/ja/docs/Web/API/Window/btoa"><code>btoa()</code></a></li><li><a href="/ja/docs/Web/API/Window/cancelAnimationFrame"><code>cancelAnimationFrame()</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/cancelIdleCallback"><code>cancelIdleCallback()</code></a></li><li><a href="/ja/docs/Web/API/Window/captureEvents"><code>captureEvents()</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/clearImmediate"><code>clearImmediate()</code></a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/clearInterval"><code>clearInterval()</code></a></li><li><a href="/ja/docs/Web/API/Window/clearTimeout"><code>clearTimeout()</code></a></li><li><a href="/ja/docs/Web/API/Window/close"><code>close()</code></a></li><li><a href="/ja/docs/Web/API/Window/confirm"><code>confirm()</code></a></li><li><a href="/ja/docs/Web/API/Window/createImageBitmap"><code>createImageBitmap()</code></a></li><li><a href="/ja/docs/Web/API/Window/dump"><code>dump()</code></a></li><li><a href="/ja/docs/Web/API/Window/fetch"><code>fetch()</code></a></li><li><a href="/ja/docs/Web/API/Window/find"><code>find()</code></a></li><li><a href="/ja/docs/Web/API/Window/focus"><code>focus()</code></a></li><li><a href="/ja/docs/Web/API/Window/forward"><code>forward()</code></a></li><li><a href="/ja/docs/Web/API/Window/getComputedStyle"><code>getComputedStyle()</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/getDefaultComputedStyle"><code>getDefaultComputedStyle()</code></a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/getScreenDetails"><code>getScreenDetails()</code></a></li><li><a href="/ja/docs/Web/API/Window/getSelection"><code>getSelection()</code></a></li><li><a href="/ja/docs/Web/API/Window/matchMedia"><code>matchMedia()</code></a></li><li><a href="/ja/docs/Web/API/Window/moveBy"><code>moveBy()</code></a></li><li><a href="/ja/docs/Web/API/Window/moveTo"><code>moveTo()</code></a></li><li><a href="/ja/docs/Web/API/Window/open"><code>open()</code></a></li><li><a href="/ja/docs/Web/API/Window/postMessage"><code>postMessage()</code></a></li><li><a href="/ja/docs/Web/API/Window/print"><code>print()</code></a></li><li><a href="/ja/docs/Web/API/Window/prompt"><code>prompt()</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/queryLocalFonts"><code>queryLocalFonts()</code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/queueMicrotask"><code>queueMicrotask()</code></a></li><li><a href="/ja/docs/Web/API/Window/releaseEvents"><code>releaseEvents()</code></a></li><li><a href="/ja/docs/Web/API/Window/reportError"><code>reportError()</code></a></li><li><a href="/ja/docs/Web/API/Window/requestAnimationFrame"><code>requestAnimationFrame()</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/requestFileSystem"><code>requestFileSystem()</code></a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/requestIdleCallback"><code>requestIdleCallback()</code></a></li><li><a href="/ja/docs/Web/API/Window/resizeBy"><code>resizeBy()</code></a></li><li><a href="/ja/docs/Web/API/Window/resizeTo"><code>resizeTo()</code></a></li><li><a href="/ja/docs/Web/API/Window/scroll"><code>scroll()</code></a></li><li><em><code>scrollBy()</code> </em></li><li><a href="/ja/docs/Web/API/Window/scrollByLines"><code>scrollByLines()</code></a></li><li><a href="/ja/docs/Web/API/Window/scrollByPages"><code>scrollByPages()</code></a></li><li><a href="/ja/docs/Web/API/Window/scrollTo"><code>scrollTo()</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/setImmediate"><code>setImmediate()</code></a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/setInterval"><code>setInterval()</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/setResizable"><code>setResizable()</code></a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/setTimeout"><code>setTimeout()</code></a></li><li><a href="/ja/docs/Web/API/Window/showDirectoryPicker"><code>showDirectoryPicker()</code></a></li><li><a href="/ja/docs/Web/API/Window/showModalDialog"><code>showModalDialog()</code></a></li><li><a href="/ja/docs/Web/API/Window/showOpenFilePicker"><code>showOpenFilePicker()</code></a></li><li><a href="/ja/docs/Web/API/Window/showSaveFilePicker"><code>showSaveFilePicker()</code></a></li><li><a href="/ja/docs/Web/API/Window/sizeToContent"><code>sizeToContent()</code></a></li><li><a href="/ja/docs/Web/API/Window/stop"><code>stop()</code></a></li><li><a href="/ja/docs/Web/API/Window/structuredClone"><code>structuredClone()</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/webkitConvertPointFromNodeToPage"><code>webkitConvertPointFromNodeToPage()</code></a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/webkitConvertPointFromPageToNode"><code>webkitConvertPointFromPageToNode()</code></a><abbr class="icon icon-nonstandard" title="Non-standard. Check cross-browser support before using."> <span class="visually-hidden">Non-standard</span> </abbr><abbr class="icon icon-deprecated" title="Deprecated. Not for use in new websites."> <span class="visually-hidden">非推奨</span> </abbr></li></ol></details></li><li class="toggle"><details open=""><summary>イベント</summary><ol><li><a href="/ja/docs/Web/API/Window/afterprint_event"><code>afterprint</code></a></li><li><a href="/ja/docs/Web/API/Window/appinstalled_event"><code>appinstalled</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/beforeinstallprompt_event"><code>beforeinstallprompt</code></a></li><li><a href="/ja/docs/Web/API/Window/beforeprint_event"><code>beforeprint</code></a></li><li><a href="/ja/docs/Web/API/Window/beforeunload_event"><code>beforeunload</code></a></li><li><a href="/ja/docs/Web/API/Window/blur_event"><code>blur</code></a></li><li><a href="/ja/docs/Web/API/Window/copy_event"><code>copy</code></a></li><li><a href="/ja/docs/Web/API/Window/cut_event"><code>cut</code></a></li><li><a href="/ja/docs/Web/API/Window/devicemotion_event"><code>devicemotion</code></a></li><li><a href="/ja/docs/Web/API/Window/deviceorientation_event"><code>deviceorientation</code></a></li><li><a href="/ja/docs/Web/API/Window/deviceorientationabsolute_event"><code>deviceorientationabsolute</code></a></li><li><a href="/ja/docs/Web/API/Window/error_event"><code>error</code></a></li><li><a href="/ja/docs/Web/API/Window/focus_event"><code>focus</code></a></li><li><a href="/ja/docs/Web/API/Window/gamepadconnected_event"><code>gamepadconnected</code></a></li><li><a href="/ja/docs/Web/API/Window/gamepaddisconnected_event"><code>gamepaddisconnected</code></a></li><li><a href="/ja/docs/Web/API/Window/hashchange_event"><code>hashchange</code></a></li><li><a href="/ja/docs/Web/API/Window/languagechange_event"><code>languagechange</code></a></li><li><a href="/ja/docs/Web/API/Window/load_event"><code>load</code></a></li><li><a href="/ja/docs/Web/API/Window/message_event"><code>message</code></a></li><li><a href="/ja/docs/Web/API/Window/messageerror_event"><code>messageerror</code></a></li><li><a href="/ja/docs/Web/API/Window/offline_event"><code>offline</code></a></li><li><a href="/ja/docs/Web/API/Window/online_event"><code>online</code></a></li><li><a href="/ja/docs/Web/API/Window/orientationchange_event"><code>orientationchange</code></a></li><li><a href="/ja/docs/Web/API/Window/pagehide_event"><code>pagehide</code></a></li><li><a href="/ja/docs/Web/API/Window/pagereveal_event"><code>pagereveal</code></a></li><li><a href="/ja/docs/Web/API/Window/pageshow_event"><code>pageshow</code></a></li><li><a href="/ja/docs/Web/API/Window/pageswap_event"><code>pageswap</code></a></li><li><a href="/ja/docs/Web/API/Window/paste_event"><code>paste</code></a></li><li><a href="/ja/docs/Web/API/Window/popstate_event"><code>popstate</code></a></li><li><a href="/ja/docs/Web/API/Window/rejectionhandled_event"><code>rejectionhandled</code></a></li><li><a href="/ja/docs/Web/API/Window/resize_event"><code>resize</code></a></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/scrollsnapchange_event"><code>scrollsnapchange</code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a class="only-in-en-us" title="このページは現在、英語のみで利用可能です。" href="/en-US/docs/Web/API/Window/scrollsnapchanging_event"><code>scrollsnapchanging</code></a><abbr class="icon icon-experimental" title="Experimental. Expect behavior to change in the future."> <span class="visually-hidden">Experimental</span> </abbr></li><li><a href="/ja/docs/Web/API/Window/storage_event"><code>storage</code></a></li><li><a href="/ja/docs/Web/API/Window/unhandledrejection_event"><code>unhandledrejection</code></a></li><li><a href="/ja/docs/Web/API/Window/unload_event"><code>unload</code></a></li><li><a href="/ja/docs/Web/API/Window/vrdisplayactivate_event"><code>vrdisplayactivate</code></a></li><li><a href="/ja/docs/Web/API/Window/vrdisplayconnect_event"><code>vrdisplayconnect</code></a></li><li><a href="/ja/docs/Web/API/Window/vrdisplaydeactivate_event"><code>vrdisplaydeactivate</code></a></li><li><a href="/ja/docs/Web/API/Window/vrdisplaydisconnect_event"><code>vrdisplaydisconnect</code></a></li><li><a href="/ja/docs/Web/API/Window/vrdisplaypresentchange_event"><code>vrdisplaypresentchange</code></a></li></ol></details></li><li class="toggle"><details open=""><summary>継承</summary><ol><li><a href="/ja/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">この記事では</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#構文">構文</a></li><li class="document-toc-item "><a class="document-toc-link" href="#例">例</a></li><li class="document-toc-item "><a class="document-toc-link" href="#メモ">メモ</a></li><li class="document-toc-item "><a class="document-toc-link" href="#仕様書">仕様書</a></li><li class="document-toc-item "><a class="document-toc-link" href="#ブラウザーの互換性">ブラウザーの互換性</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="ja"><header><h1>Window.scrollBy()</h1></header><div class="section-content"><p><strong><code>Window.scrollBy()</code></strong> メソッドは、ウィンドウ内の文書を指定された量だけスクロールさせます。</p></div><section aria-labelledby="構文"><h2 id="構文"><a href="#構文">構文</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>scrollBy(x_coord, y_coord); scrollBy(options); </code></pre></div></div></section><section aria-labelledby="引数"><h3 id="引数"><a href="#引数">引数</a></h3><div class="section-content"><ul> <li><code>x_coord</code> はスクロールさせたい水平方向のピクセル数です。</li> <li><code>y_coord</code> はスクロールさせたい垂直方向のピクセル数です。</li> </ul> <p>- または -</p> <dl> <dt id="options"><a href="#options"><code>options</code></a></dt> <dd> <p>以下の引数を含む辞書です。</p> <dl> <dt id="top"><a href="#top"><code>top</code></a></dt> <dd> <p>ウィンドウまたは要素をスクロールする Y 軸方向のピクセル数を指定します。</p> </dd> <dt id="left"><a href="#left"><code>left</code></a></dt> <dd> <p>ウィンドウまたは要素をスクロールする X 軸方向のピクセル数を指定します。</p> </dd> <dt id="behavior"><a href="#behavior"><code>behavior</code></a></dt> <dd> <p>スクロールを滑らかにアニメーションさせるか (<code>smooth</code>)、瞬時に一回のジャンプで行うか (<code>instant</code>)、あるいはブラウザーに選択させるか (<code>auto</code>, 既定値) を指定することができます。</p> </dd> </dl> </dd> </dl></div></section><section aria-labelledby="返値"><h3 id="返値"><a href="#返値">返値</a></h3><div class="section-content"><p>なし (<a href="/ja/docs/Web/JavaScript/Reference/Global_Objects/undefined"><code>undefined</code></a>)。</p></div></section><section aria-labelledby="例"><h2 id="例"><a href="#例">例</a></h2><div class="section-content"><p>1 ページ分下スクロールさせるには、次のようにします。</p> <div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>window.scrollBy(0, window.innerHeight); </code></pre></div> <p>上スクロールさせるには、次のようにします。</p> <div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>window.scrollBy(0, -window.innerHeight); </code></pre></div> <p><code>options</code> を使用します。</p> <div class="code-example"><div class="example-header"><span class="language-name">js</span></div><pre class="brush: js notranslate"><code>window.scrollBy({ top: 100, left: 100, behavior: "smooth", }); </code></pre></div></div></section><section aria-labelledby="メモ"><h2 id="メモ"><a href="#メモ">メモ</a></h2><div class="section-content"><p><code>window.scrollBy()</code> は特定の量だけスクロールしますが、 <a href="/ja/docs/Web/API/Window/scroll"><code>window.scroll()</code></a> は文書内の絶対位置までスクロールします。 <a href="/ja/docs/Web/API/Window/scrollByLines"><code>window.scrollByLines()</code></a> および <a href="/ja/docs/Web/API/Window/scrollByPages"><code>window.scrollByPages()</code></a> も参照してください。</p></div></section><h2 id="仕様書"><a href="#仕様書">仕様書</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/#dom-window-scrollby">CSSOM View Module <br/><small># dom-window-scrollby</small></a></td></tr></tbody></table><h2 id="ブラウザーの互換性"><a href="#ブラウザーの互換性">ブラウザーの互換性</a></h2><p>BCD tables only load in the browser<noscript> with JavaScript enabled. 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Content available under <a href="/ja/docs/MDN/Writing_guidelines/Attrib_copyright_license">a Creative Commons license</a>.</p></div></div></footer></div><script type="application/json" id="hydration">{"url":"/ja/docs/Web/API/Window/scrollBy","doc":{"isMarkdown":true,"isTranslated":true,"isActive":true,"flaws":{},"title":"Window.scrollBy()","mdn_url":"/ja/docs/Web/API/Window/scrollBy","locale":"ja","native":"日本語","browserCompat":["api.Window.scrollBy"],"sidebarHTML":"<ol><li class=\"section\"><a href=\"/ja/docs/Web/API/Window\"><code>Window</code></a></li><li class=\"toggle\"><details open=\"\"><summary>インスタンスプロパティ</summary><ol><li><a href=\"/ja/docs/Web/API/Window/caches\"><code>caches</code></a></li><li><a href=\"/ja/docs/Web/API/Window/closed\"><code>closed</code></a></li><li><a href=\"/ja/docs/Web/API/Window/console\"><code>console</code></a></li><li><a href=\"/ja/docs/Web/API/Window/cookieStore\"><code>cookieStore</code></a></li><li><a href=\"/ja/docs/Web/API/Window/credentialless\"><code>credentialless</code></a></li><li><a href=\"/ja/docs/Web/API/Window/crossOriginIsolated\"><code>crossOriginIsolated</code></a></li><li><a href=\"/ja/docs/Web/API/Window/crypto\"><code>crypto</code></a></li><li><a href=\"/ja/docs/Web/API/Window/customElements\"><code>customElements</code></a></li><li><a href=\"/ja/docs/Web/API/Window/devicePixelRatio\"><code>devicePixelRatio</code></a></li><li><a href=\"/ja/docs/Web/API/Window/document\"><code>document</code></a></li><li><a href=\"/ja/docs/Web/API/Window/documentPictureInPicture\"><code>documentPictureInPicture</code></a></li><li><a href=\"/ja/docs/Web/API/Window/event\"><code>event</code></a></li><li><a href=\"/ja/docs/Web/API/Window/external\"><code>external</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/fence\"><code>fence</code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/frameElement\"><code>frameElement</code></a></li><li><a href=\"/ja/docs/Web/API/Window/frames\"><code>frames</code></a></li><li><a href=\"/ja/docs/Web/API/Window/fullScreen\"><code>fullScreen</code></a></li><li><a href=\"/ja/docs/Web/API/Window/history\"><code>history</code></a></li><li><a href=\"/ja/docs/Web/API/Window/indexedDB\"><code>indexedDB</code></a></li><li><a href=\"/ja/docs/Web/API/Window/innerHeight\"><code>innerHeight</code></a></li><li><a href=\"/ja/docs/Web/API/Window/innerWidth\"><code>innerWidth</code></a></li><li><a href=\"/ja/docs/Web/API/Window/isSecureContext\"><code>isSecureContext</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/launchQueue\"><code>launchQueue</code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/length\"><code>length</code></a></li><li><a href=\"/ja/docs/Web/API/Window/localStorage\"><code>localStorage</code></a></li><li><a href=\"/ja/docs/Web/API/Window/location\"><code>location</code></a></li><li><a href=\"/ja/docs/Web/API/Window/locationbar\"><code>locationbar</code></a></li><li><a href=\"/ja/docs/Web/API/Window/menubar\"><code>menubar</code></a></li><li><a href=\"/ja/docs/Web/API/Window/mozInnerScreenX\"><code>mozInnerScreenX</code></a></li><li><a href=\"/ja/docs/Web/API/Window/mozInnerScreenY\"><code>mozInnerScreenY</code></a></li><li><a href=\"/ja/docs/Web/API/Window/name\"><code>name</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/navigation\"><code>navigation</code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/navigator\"><code>navigator</code></a></li><li><a href=\"/ja/docs/Web/API/Window/opener\"><code>opener</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/orientation\"><code>orientation</code></a><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/origin\"><code>origin</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/originAgentCluster\"><code>originAgentCluster</code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/outerHeight\"><code>outerHeight</code></a></li><li><a href=\"/ja/docs/Web/API/Window/outerWidth\"><code>outerWidth</code></a></li><li><a href=\"/ja/docs/Web/API/Window/parent\"><code>parent</code></a></li><li><a href=\"/ja/docs/Web/API/Window/performance\"><code>performance</code></a></li><li><a href=\"/ja/docs/Web/API/Window/personalbar\"><code>personalbar</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/scheduler\"><code>scheduler</code></a></li><li><a href=\"/ja/docs/Web/API/Window/screen\"><code>screen</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/screenLeft\"><code>screenLeft</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/screenTop\"><code>screenTop</code></a></li><li><a href=\"/ja/docs/Web/API/Window/screenX\"><code>screenX</code></a></li><li><a href=\"/ja/docs/Web/API/Window/screenY\"><code>screenY</code></a></li><li><a href=\"/ja/docs/Web/API/Window/scrollbars\"><code>scrollbars</code></a></li><li><a href=\"/ja/docs/Web/API/Window/scrollMaxX\"><code>scrollMaxX</code></a></li><li><a href=\"/ja/docs/Web/API/Window/scrollMaxY\"><code>scrollMaxY</code></a></li><li><a href=\"/ja/docs/Web/API/Window/scrollX\"><code>scrollX</code></a></li><li><a href=\"/ja/docs/Web/API/Window/scrollY\"><code>scrollY</code></a></li><li><a href=\"/ja/docs/Web/API/Window/self\"><code>self</code></a></li><li><a href=\"/ja/docs/Web/API/Window/sessionStorage\"><code>sessionStorage</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/sharedStorage\"><code>sharedStorage</code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/speechSynthesis\"><code>speechSynthesis</code></a></li><li><a href=\"/ja/docs/Web/API/Window/status\"><code>status</code></a></li><li><a href=\"/ja/docs/Web/API/Window/statusbar\"><code>statusbar</code></a></li><li><a href=\"/ja/docs/Web/API/Window/toolbar\"><code>toolbar</code></a></li><li><a href=\"/ja/docs/Web/API/Window/top\"><code>top</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/trustedTypes\"><code>trustedTypes</code></a></li><li><a href=\"/ja/docs/Web/API/Window/visualViewport\"><code>visualViewport</code></a></li><li><a href=\"/ja/docs/Web/API/Window/window\"><code>window</code></a></li></ol></details></li><li class=\"toggle\"><details open=\"\"><summary>インスタンスメソッド</summary><ol><li><a href=\"/ja/docs/Web/API/Window/alert\"><code>alert()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/atob\"><code>atob()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/back\"><code>back()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/blur\"><code>blur()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/btoa\"><code>btoa()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/cancelAnimationFrame\"><code>cancelAnimationFrame()</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/cancelIdleCallback\"><code>cancelIdleCallback()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/captureEvents\"><code>captureEvents()</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/clearImmediate\"><code>clearImmediate()</code></a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/clearInterval\"><code>clearInterval()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/clearTimeout\"><code>clearTimeout()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/close\"><code>close()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/confirm\"><code>confirm()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/createImageBitmap\"><code>createImageBitmap()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/dump\"><code>dump()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/fetch\"><code>fetch()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/find\"><code>find()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/focus\"><code>focus()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/forward\"><code>forward()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/getComputedStyle\"><code>getComputedStyle()</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/getDefaultComputedStyle\"><code>getDefaultComputedStyle()</code></a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/getScreenDetails\"><code>getScreenDetails()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/getSelection\"><code>getSelection()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/matchMedia\"><code>matchMedia()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/moveBy\"><code>moveBy()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/moveTo\"><code>moveTo()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/open\"><code>open()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/postMessage\"><code>postMessage()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/print\"><code>print()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/prompt\"><code>prompt()</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/queryLocalFonts\"><code>queryLocalFonts()</code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/queueMicrotask\"><code>queueMicrotask()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/releaseEvents\"><code>releaseEvents()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/reportError\"><code>reportError()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/requestAnimationFrame\"><code>requestAnimationFrame()</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/requestFileSystem\"><code>requestFileSystem()</code></a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/requestIdleCallback\"><code>requestIdleCallback()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/resizeBy\"><code>resizeBy()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/resizeTo\"><code>resizeTo()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/scroll\"><code>scroll()</code></a></li><li><em><code>scrollBy()</code> </em></li><li><a href=\"/ja/docs/Web/API/Window/scrollByLines\"><code>scrollByLines()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/scrollByPages\"><code>scrollByPages()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/scrollTo\"><code>scrollTo()</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/setImmediate\"><code>setImmediate()</code></a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/setInterval\"><code>setInterval()</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/setResizable\"><code>setResizable()</code></a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/setTimeout\"><code>setTimeout()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/showDirectoryPicker\"><code>showDirectoryPicker()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/showModalDialog\"><code>showModalDialog()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/showOpenFilePicker\"><code>showOpenFilePicker()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/showSaveFilePicker\"><code>showSaveFilePicker()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/sizeToContent\"><code>sizeToContent()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/stop\"><code>stop()</code></a></li><li><a href=\"/ja/docs/Web/API/Window/structuredClone\"><code>structuredClone()</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/webkitConvertPointFromNodeToPage\"><code>webkitConvertPointFromNodeToPage()</code></a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/webkitConvertPointFromPageToNode\"><code>webkitConvertPointFromPageToNode()</code></a><abbr class=\"icon icon-nonstandard\" title=\"Non-standard. Check cross-browser support before using.\">\n <span class=\"visually-hidden\">Non-standard</span>\n</abbr><abbr class=\"icon icon-deprecated\" title=\"Deprecated. Not for use in new websites.\">\n <span class=\"visually-hidden\">非推奨</span>\n</abbr></li></ol></details></li><li class=\"toggle\"><details open=\"\"><summary>イベント</summary><ol><li><a href=\"/ja/docs/Web/API/Window/afterprint_event\"><code>afterprint</code></a></li><li><a href=\"/ja/docs/Web/API/Window/appinstalled_event\"><code>appinstalled</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/beforeinstallprompt_event\"><code>beforeinstallprompt</code></a></li><li><a href=\"/ja/docs/Web/API/Window/beforeprint_event\"><code>beforeprint</code></a></li><li><a href=\"/ja/docs/Web/API/Window/beforeunload_event\"><code>beforeunload</code></a></li><li><a href=\"/ja/docs/Web/API/Window/blur_event\"><code>blur</code></a></li><li><a href=\"/ja/docs/Web/API/Window/copy_event\"><code>copy</code></a></li><li><a href=\"/ja/docs/Web/API/Window/cut_event\"><code>cut</code></a></li><li><a href=\"/ja/docs/Web/API/Window/devicemotion_event\"><code>devicemotion</code></a></li><li><a href=\"/ja/docs/Web/API/Window/deviceorientation_event\"><code>deviceorientation</code></a></li><li><a href=\"/ja/docs/Web/API/Window/deviceorientationabsolute_event\"><code>deviceorientationabsolute</code></a></li><li><a href=\"/ja/docs/Web/API/Window/error_event\"><code>error</code></a></li><li><a href=\"/ja/docs/Web/API/Window/focus_event\"><code>focus</code></a></li><li><a href=\"/ja/docs/Web/API/Window/gamepadconnected_event\"><code>gamepadconnected</code></a></li><li><a href=\"/ja/docs/Web/API/Window/gamepaddisconnected_event\"><code>gamepaddisconnected</code></a></li><li><a href=\"/ja/docs/Web/API/Window/hashchange_event\"><code>hashchange</code></a></li><li><a href=\"/ja/docs/Web/API/Window/languagechange_event\"><code>languagechange</code></a></li><li><a href=\"/ja/docs/Web/API/Window/load_event\"><code>load</code></a></li><li><a href=\"/ja/docs/Web/API/Window/message_event\"><code>message</code></a></li><li><a href=\"/ja/docs/Web/API/Window/messageerror_event\"><code>messageerror</code></a></li><li><a href=\"/ja/docs/Web/API/Window/offline_event\"><code>offline</code></a></li><li><a href=\"/ja/docs/Web/API/Window/online_event\"><code>online</code></a></li><li><a href=\"/ja/docs/Web/API/Window/orientationchange_event\"><code>orientationchange</code></a></li><li><a href=\"/ja/docs/Web/API/Window/pagehide_event\"><code>pagehide</code></a></li><li><a href=\"/ja/docs/Web/API/Window/pagereveal_event\"><code>pagereveal</code></a></li><li><a href=\"/ja/docs/Web/API/Window/pageshow_event\"><code>pageshow</code></a></li><li><a href=\"/ja/docs/Web/API/Window/pageswap_event\"><code>pageswap</code></a></li><li><a href=\"/ja/docs/Web/API/Window/paste_event\"><code>paste</code></a></li><li><a href=\"/ja/docs/Web/API/Window/popstate_event\"><code>popstate</code></a></li><li><a href=\"/ja/docs/Web/API/Window/rejectionhandled_event\"><code>rejectionhandled</code></a></li><li><a href=\"/ja/docs/Web/API/Window/resize_event\"><code>resize</code></a></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/scrollsnapchange_event\"><code>scrollsnapchange</code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a class=\"only-in-en-us\" title=\"このページは現在、英語のみで利用可能です。\" href=\"/en-US/docs/Web/API/Window/scrollsnapchanging_event\"><code>scrollsnapchanging</code></a><abbr class=\"icon icon-experimental\" title=\"Experimental. Expect behavior to change in the future.\">\n <span class=\"visually-hidden\">Experimental</span>\n</abbr></li><li><a href=\"/ja/docs/Web/API/Window/storage_event\"><code>storage</code></a></li><li><a href=\"/ja/docs/Web/API/Window/unhandledrejection_event\"><code>unhandledrejection</code></a></li><li><a href=\"/ja/docs/Web/API/Window/unload_event\"><code>unload</code></a></li><li><a href=\"/ja/docs/Web/API/Window/vrdisplayactivate_event\"><code>vrdisplayactivate</code></a></li><li><a href=\"/ja/docs/Web/API/Window/vrdisplayconnect_event\"><code>vrdisplayconnect</code></a></li><li><a href=\"/ja/docs/Web/API/Window/vrdisplaydeactivate_event\"><code>vrdisplaydeactivate</code></a></li><li><a href=\"/ja/docs/Web/API/Window/vrdisplaydisconnect_event\"><code>vrdisplaydisconnect</code></a></li><li><a href=\"/ja/docs/Web/API/Window/vrdisplaypresentchange_event\"><code>vrdisplaypresentchange</code></a></li></ol></details></li><li class=\"toggle\"><details open=\"\"><summary>継承</summary><ol><li><a href=\"/ja/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>Window.scrollBy()</code></strong> メソッドは、ウィンドウ内の文書を指定された量だけスクロールさせます。</p>"}},{"type":"prose","value":{"id":"構文","title":"構文","isH3":false,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>scrollBy(x_coord, y_coord);\nscrollBy(options);\n</code></pre></div>"}},{"type":"prose","value":{"id":"引数","title":"引数","isH3":true,"content":"<ul>\n <li><code>x_coord</code> はスクロールさせたい水平方向のピクセル数です。</li>\n <li><code>y_coord</code> はスクロールさせたい垂直方向のピクセル数です。</li>\n</ul>\n<p>- または -</p>\n<dl>\n <dt id=\"options\"><a href=\"#options\"><code>options</code></a></dt>\n <dd>\n <p>以下の引数を含む辞書です。</p>\n <dl>\n <dt id=\"top\"><a href=\"#top\"><code>top</code></a></dt>\n <dd>\n <p>ウィンドウまたは要素をスクロールする Y 軸方向のピクセル数を指定します。</p>\n </dd>\n <dt id=\"left\"><a href=\"#left\"><code>left</code></a></dt>\n <dd>\n <p>ウィンドウまたは要素をスクロールする X 軸方向のピクセル数を指定します。</p>\n </dd>\n <dt id=\"behavior\"><a href=\"#behavior\"><code>behavior</code></a></dt>\n <dd>\n <p>スクロールを滑らかにアニメーションさせるか (<code>smooth</code>)、瞬時に一回のジャンプで行うか (<code>instant</code>)、あるいはブラウザーに選択させるか (<code>auto</code>, 既定値) を指定することができます。</p>\n </dd>\n </dl>\n </dd>\n</dl>"}},{"type":"prose","value":{"id":"返値","title":"返値","isH3":true,"content":"<p>なし (<a href=\"/ja/docs/Web/JavaScript/Reference/Global_Objects/undefined\"><code>undefined</code></a>)。</p>"}},{"type":"prose","value":{"id":"例","title":"例","isH3":false,"content":"<p>1 ページ分下スクロールさせるには、次のようにします。</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>window.scrollBy(0, window.innerHeight);\n</code></pre></div>\n<p>上スクロールさせるには、次のようにします。</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>window.scrollBy(0, -window.innerHeight);\n</code></pre></div>\n<p><code>options</code> を使用します。</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">js</span></div><pre class=\"brush: js notranslate\"><code>window.scrollBy({\n top: 100,\n left: 100,\n behavior: \"smooth\",\n});\n</code></pre></div>"}},{"type":"prose","value":{"id":"メモ","title":"メモ","isH3":false,"content":"<p><code>window.scrollBy()</code> は特定の量だけスクロールしますが、 <a href=\"/ja/docs/Web/API/Window/scroll\"><code>window.scroll()</code></a> は文書内の絶対位置までスクロールします。 <a href=\"/ja/docs/Web/API/Window/scrollByLines\"><code>window.scrollByLines()</code></a> および <a href=\"/ja/docs/Web/API/Window/scrollByPages\"><code>window.scrollByPages()</code></a> も参照してください。</p>"}},{"type":"specifications","value":{"title":"仕様書","id":"仕様書","isH3":false,"specifications":[{"bcdSpecificationURL":"https://drafts.csswg.org/cssom-view/#dom-window-scrollby","title":"CSSOM View Module"}],"query":"api.Window.scrollBy"}},{"type":"browser_compatibility","value":{"title":"ブラウザーの互換性","id":"ブラウザーの互換性","isH3":false,"query":"api.Window.scrollBy"}}],"toc":[{"text":"構文","id":"構文"},{"text":"例","id":"例"},{"text":"メモ","id":"メモ"},{"text":"仕様書","id":"仕様書"},{"text":"ブラウザーの互換性","id":"ブラウザーの互換性"}],"summary":"Window.scrollBy() メソッドは、ウィンドウ内の文書を指定された量だけスクロールさせます。","popularity":0.001,"modified":"2023-08-25T07:38:01.000Z","other_translations":[{"locale":"de","title":"Window: scrollBy() Methode","native":"Deutsch"},{"locale":"en-US","title":"Window: scrollBy() method","native":"English 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API"},{"uri":"/ja/docs/Web/API/Window","title":"Window"},{"uri":"/ja/docs/Web/API/Window/scrollBy","title":"Window.scrollBy()"}],"pageTitle":"Window.scrollBy() - Web API | MDN","noIndexing":false}}</script></body></html>