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author | Masahiro FUJIMOTO <mfujimot@gmail.com> | 2022-02-22 01:14:08 +0900 |
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committer | Masahiro FUJIMOTO <mfujimot@gmail.com> | 2022-03-02 23:38:54 +0900 |
commit | 96d2945591771f242a2e0dd50be77d5b2f872885 (patch) | |
tree | 095ff8c84a4c00e79a0c5697769f7fb1f5b45352 /files/ja/web/api/performance/setresourcetimingbuffersize/index.md | |
parent | 4671708265bd7c86e19716b220d08f19e11cbb98 (diff) | |
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Performance インターフェイスのメソッドの記事を移行
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diff --git a/files/ja/web/api/performance/setresourcetimingbuffersize/index.md b/files/ja/web/api/performance/setresourcetimingbuffersize/index.md new file mode 100644 index 0000000000..3c8a46ce8a --- /dev/null +++ b/files/ja/web/api/performance/setresourcetimingbuffersize/index.md @@ -0,0 +1,76 @@ +--- +title: performance.setResourceTimingBufferSize() +slug: Web/API/Performance/setResourceTimingBufferSize +tags: + - API + - Web パフォーマンス + - メソッド + - リファレンス +translation_of: Web/API/Performance/setResourceTimingBufferSize +--- +<div>{{APIRef("Resource Timing API")}}</div> + +<p><strong><code>setResourceTimingBufferSize()</code></strong> メソッドは、ブラウザのリソースタイミングバッファサイズを、指定された数の "<code>resource</code>" {{domxref("PerformanceEntry.entryType","performance entry type")}} オブジェクトに設定します。</p> + +<p>ブラウザの推奨リソースタイミングバッファサイズは少なくとも 150 {{domxref("PerformanceEntry","performance entry")}} オブジェクトです。</p> + +<p>{{AvailableInWorkers}}</p> + +<h2 id="構文">構文</h2> + +<pre class="syntaxbox"><em>performance</em>.setResourceTimingBufferSize(maxSize); +</pre> + +<h3 id="引数">引数</h3> + +<dl> + <dt>maxSize</dt> + <dd>ブラウザがパフォーマンスエントリバッファに保持する必要がある {{domxref("PerformanceEntry","performance entry")}} オブジェクトの最大数を表す <code>number</code>。</dd> +</dl> + +<h3 id="Return_Value" name="Return_Value">戻り値</h3> + +<dl> + <dt>なし</dt> + <dd>このメソッドには戻り値はありません。</dd> +</dl> + +<h2 id="例">例</h2> + +<pre class="brush: js">function setResourceTimingBufferSize(maxSize) { + if (performance === undefined) { + log("Browser does not support Web Performance"); + return; + } + var supported = typeof performance.setResourceTimingBufferSize == "function"; + if (supported) { + log("... Performance.setResourceTimingBufferSize() = Yes"); + performance.setResourceTimingBufferSize(maxSize); + } else { + log("... Performance.setResourceTimingBufferSize() = NOT supported"); + } +} +</pre> + +<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('Resource Timing', '#dom-performance-setresourcetimingbuffersize', 'setResourceTimingBufferSize()')}}</td> + <td>{{Spec2('Resource Timing')}}</td> + <td>初期定義</td> + </tr> + </tbody> +</table> + +<h2 id="ブラウザの互換性">ブラウザの互換性</h2> + +<div> +<p>{{Compat("api.Performance.setResourceTimingBufferSize")}}</p> +</div> |