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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/ja/web/api/timeranges/length | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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Diffstat (limited to 'files/ja/web/api/timeranges/length')
-rw-r--r-- | files/ja/web/api/timeranges/length/index.html | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/files/ja/web/api/timeranges/length/index.html b/files/ja/web/api/timeranges/length/index.html new file mode 100644 index 0000000000..494e653fa9 --- /dev/null +++ b/files/ja/web/api/timeranges/length/index.html @@ -0,0 +1,68 @@ +--- +title: TimeRanges.length +slug: Web/API/TimeRanges/length +tags: + - API + - HTML DOM + - Media + - Property + - Read-only + - Reference + - TimeRanges +translation_of: Web/API/TimeRanges/length +--- +<div>{{APIRef("DOM")}}</div> + +<p><span class="seoSummary"><strong><code>TimeRanges.length</code></strong> 読み取り専用プロパティは、オブジェクト内の範囲の数を返します。</span><br> + </p> + +<h2 id="Syntax" name="Syntax">構文</h2> + +<pre class="syntaxbox"><em>length</em> = <em>TimeRanges</em>.length; +</pre> + +<h2 id="Example" name="Example">例</h2> + +<p>ID が "myVideo" の動画要素がある場合、</p> + +<pre class="brush: js">var v = document.GetElementById("myVideo"); + +var buf = v.buffered; + +var numRanges = buf.length; + +if (buf.length == 1) { + // 1つの範囲のみ + if (buf.start(0) == 0 && buf.end(0) == v.duration) { + // 1つの範囲が動画の最初から始まり、 + // 動画の最後で終わるため、すべてが読み込まれています + } +} +</pre> + +<p>この例では、時間範囲を見て、動画全体が読み込まれたかどうかを確認します。</p> + +<h2 id="Specifications" name="Specifications">仕様</h2> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">仕様</th> + <th scope="col">状態</th> + <th scope="col">コメント</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{SpecName("HTML WHATWG", "#dom-timeranges-length", "TimeRanges.length()")}}</td> + <td>{{Spec2("HTML WHATWG")}}</td> + <td>初期定義</td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility" name="Browser_compatibility">ブラウザーの互換性</h2> + + + +<p>{{Compat("api.TimeRanges.length")}}</p> |