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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: 'HTMLElement: lostpointercapture イベント'
+slug: Web/API/HTMLElement/lostpointercapture_event
+tags:
+ - DOM
+ - Event
+ - PointerEvent
+ - Reference
+translation_of: Web/API/HTMLElement/lostpointercapture_event
+---
+<div>{{APIRef}}</div>
+
+<p><span class="seoSummary"><strong><code>lostpointercapture</code></strong> イベントは、<a href="/ja/docs/Web/API/Pointer_events#Pointer_capture">キャプチャされたポインタ</a>が解放されたときに発生します。</span></p>
+
+<table class="properties">
+ <tbody>
+ <tr>
+ <th scope="row">バブリング</th>
+ <td>なし</td>
+ </tr>
+ <tr>
+ <th scope="row">キャンセル</th>
+ <td>不可</td>
+ </tr>
+ <tr>
+ <th scope="row">インターフェイス</th>
+ <td>{{domxref("PointerEvent")}}</td>
+ </tr>
+ <tr>
+ <th scope="row">イベントハンドラプロパティ</th>
+ <td><code><a href="/ja/docs/Web/API/Element/onlostpointercapture">onlostpointercapture</a></code></td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Examples" name="Examples">例</h2>
+
+<p>この例では、要素の <code>lostpointercapture</code> イベントをリッスンし、<code>pointerdown</code> で要素のポインタをキャプチャします。 その後ユーザーがポインタを離すと、<code>lostpointercapture</code> イベントが発生します。</p>
+
+<pre class="brush: js">const para = document.querySelector('p');
+
+para.addEventListener('lostpointercapture', () =&gt; {
+ console.log('解放された!')
+});
+
+para.addEventListener('pointerdown', (event) =&gt; {
+ para.setPointerCapture(event.pointerId);
+});
+</pre>
+
+<p>同じ例ですが、<code>onlostpointercapture</code> イベントハンドラプロパティを使用します。</p>
+
+<pre class="brush: js">const para = document.querySelector('p');
+
+para.onlostpointercapture = () =&gt; {
+ console.log('解放された!')
+};
+
+para.addEventListener('pointerdown', (event) =&gt; {
+ para.setPointerCapture(event.pointerId);
+});
+</pre>
+
+<h2 id="Specifications" name="Specifications">仕様</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">仕様</th>
+ <th scope="col">状態</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('Pointer Events', '#the-lostpointercapture-event')}}</td>
+ <td>{{Spec2('Pointer Events')}}</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">ブラウザーの互換性</h2>
+
+
+
+<p>{{Compat("api.HTMLElement.lostpointercapture_event")}}</p>
+
+<h2 id="See_also" name="See_also">関連情報</h2>
+
+<ul>
+ <li>関連イベント
+ <ul>
+ <li><code><a href="/ja/docs/Web/API/HTMLElement/gotpointercapture_event">gotpointercapture</a></code></li>
+ <li><code><a href="/ja/docs/Web/API/HTMLElement/pointerover_event">pointerover</a></code></li>
+ <li><code><a href="/ja/docs/Web/API/HTMLElement/pointerenter_event">pointerenter</a></code></li>
+ <li><code><a href="/ja/docs/Web/API/HTMLElement/pointerdown_event">pointerdown</a></code></li>
+ <li><code><a href="/ja/docs/Web/API/HTMLElement/pointermove_event">pointermove</a></code></li>
+ <li><code><a href="/ja/docs/Web/API/HTMLElement/pointerup_event">pointerup</a></code></li>
+ <li><code><a href="/ja/docs/Web/API/HTMLElement/pointercancel_event">pointercancel</a></code></li>
+ <li><code><a href="/ja/docs/Web/API/HTMLElement/pointerout_event">pointerout</a></code></li>
+ <li><code><a href="/ja/docs/Web/API/HTMLElement/pointerleave_event">pointerleave</a></code></li>
+ </ul>
+ </li>
+ <li><code><a href="/ja/docs/Web/API/GlobalEventHandlers/onlostpointercapture">onlostpointercapture</a></code> イベントハンドラプロパティ</li>
+ <li><code>Document</code> でのこのイベント: <code><a href="/ja/docs/Web/API/Document/lostpointercapture_event">lostpointercapture</a></code> イベント</li>
+</ul>