From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Tue, 8 Dec 2020 14:40:17 -0500
Subject: initial commit

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+---
+title: IntersectionObserverEntry
+slug: Web/API/IntersectionObserverEntry
+translation_of: Web/API/IntersectionObserverEntry
+---
+<div>{{SeeCompatTable}}{{APIRef("Intersection Observer API")}}</div>
+
+<p><span class="seoSummary"><a href="/ja/docs/Web/API/Intersection_Observer_API">Intersection Observer API</a> の <code><strong>IntersectionObserverEntry</strong></code> インターフェイスは、特定の遷移時点でのターゲット要素とそのルートコンテナ間の共通部分を記述します。</span> <code>IntersectionObserverEntry</code> のインスタンスは、その <code>entries</code> パラメータで {{domxref("IntersectionObserver")}} コールバックに渡されます。それ以外の場合、これらのオブジェクトは {{domxref("IntersectionObserver.takeRecords()")}} を呼び出すことによってのみ取得できます。</p>
+
+<h2 id="プロパティ">プロパティ</h2>
+
+<dl>
+ <dt>{{domxref("IntersectionObserverEntry.boundingClientRect")}} {{readonlyinline}}</dt>
+ <dd>Returns the bounds rectangle of the target element as a {{domxref("DOMRectReadOnly")}}. The bounds are computed as described in the documentation for {{domxref("Element.getBoundingClientRect()")}}.</dd>
+ <dt>{{domxref("IntersectionObserverEntry.intersectionRatio")}} {{readonlyinline}}</dt>
+ <dd>Returns the ratio of the <code>intersectionRect</code> to the <code>boundingClientRect</code>.</dd>
+ <dt>{{domxref("IntersectionObserverEntry.intersectionRect")}} {{readonlyinline}}</dt>
+ <dd>Returns a {{domxref("DOMRectReadOnly")}} representing the target's visible area.</dd>
+ <dt>{{domxref("IntersectionObserverEntry.isIntersecting")}} {{ReadOnlyInline}}</dt>
+ <dd>A Boolean value which is <code>true</code> if the target element intersects with the intersection observer's root. If this is <code>true</code>, then, the <code>IntersectionObserverEntry</code> describes a transition into a state of intersection; if it's <code>false</code>, then you know the transition is from intersecting to not-intersecting.</dd>
+ <dt>{{domxref("IntersectionObserverEntry.rootBounds")}} {{readonlyinline}}</dt>
+ <dd>Returns a {{domxref("DOMRectReadOnly")}} for the intersection observer's root.</dd>
+ <dt>{{domxref("IntersectionObserverEntry.target")}} {{ReadOnlyInline}}</dt>
+ <dd>The {{domxref("Element")}} whose intersection with the root changed.</dd>
+ <dt>{{domxref("IntersectionObserverEntry.time")}} {{readonlyinline}}</dt>
+ <dd>A {{domxref("DOMHighResTimeStamp")}} indicating the time at which the intersection was recorded, relative to the <code>IntersectionObserver</code>'s <a href="/en-US/docs/Web/API/DOMHighResTimeStamp#The_time_origin">time origin</a>.</dd>
+</dl>
+
+<h2 id="メソッド">メソッド</h2>
+
+<p><em>このインタフェースにはメソッドがありません。</em></p>
+
+<h2 id="仕様">仕様</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">仕様書</th>
+   <th scope="col">ステータス</th>
+   <th scope="col">コメント</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('IntersectionObserver','#intersection-observer-entry','IntersectionObserverEntry')}}</td>
+   <td>{{Spec2('IntersectionObserver')}}</td>
+   <td>初回定義</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="ブラウザの互換性">ブラウザの互換性</h2>
+
+<p class="hidden">このページの互換性テーブルは構造化データから生成されます。データに貢献したい場合は <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> をチェックして、プルリクエストを送信してください。</p>
+
+<p>{{Compat("api.IntersectionObserverEntry")}}</p>
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