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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/performanceentry/name | |
| parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
| download | translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.gz translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.bz2 translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.zip | |
initial commit
Diffstat (limited to 'files/ja/web/api/performanceentry/name')
| -rw-r--r-- | files/ja/web/api/performanceentry/name/index.html | 146 |
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diff --git a/files/ja/web/api/performanceentry/name/index.html b/files/ja/web/api/performanceentry/name/index.html new file mode 100644 index 0000000000..8fd701cbe1 --- /dev/null +++ b/files/ja/web/api/performanceentry/name/index.html @@ -0,0 +1,146 @@ +--- +title: PerformanceEntry.name +slug: Web/API/PerformanceEntry/name +tags: + - API + - Web パフォーマンス + - プロパティ + - リファレンス +translation_of: Web/API/PerformanceEntry/name +--- +<div>{{APIRef("Performance Timeline API")}}</div> + +<p><span class="seoSummary">{{domxref("PerformanceEntry")}} インターフェイスの <strong><code>name</code></strong> プロパティは、{{domxref("PerformanceEntry.entryType")}} プロパティによって返される値をさらに指定する値を返します。このプロパティは読み取り専用です。</span></p> + +<p>{{AvailableInWorkers}}</p> + +<h2 id="Syntax" name="Syntax">構文</h2> + +<pre class="syntaxbox">var<em> name</em> = <em>entry</em>.name; +</pre> + +<h3 id="Return_Value" name="Return_Value">戻り値</h3> + +<p>以下の表に示すように、戻り値は <code>PerformanceEntry</code> オブジェクトのサブタイプと {{domxref("PerformanceEntry.entryType")}} の値によって異なります。</p> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">値</th> + <th scope="col">サブタイプ</th> + <th scope="col">entryType の値</th> + <th scope="col">説明</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{domxref("URL")}}</td> + <td>{{domxref('PerformanceFrameTiming')}}, {{domxref('PerformanceNavigationTiming')}}</td> + <td><code>frame</code>, <code>navigation</code></td> + <td>ドキュメントのアドレス</td> + </tr> + <tr> + <td>{{domxref("URL")}}</td> + <td>{{domxref('PerformanceResourceTiming')}}</td> + <td><code>resource</code></td> + <td>リクエストされたリソースの解決されたURL。リクエストがリダイレクトされても、この値は変わりません。</td> + </tr> + <tr> + <td>{{domxref("DOMString")}}</td> + <td>{{domxref('PerformanceMark')}}</td> + <td><code>mark</code></td> + <td>{{domxref("Performance.mark","performance.mark()")}} を呼び出してマークを作成したときに使用された名前。</td> + </tr> + <tr> + <td>{{domxref("DOMString")}}</td> + <td>{{domxref('PerformanceMeasure')}}</td> + <td><code>measure</code></td> + <td>メジャーが {{domxref("Performance.measure","performance.measure()")}} を呼び出して作成されたときに使用された名前。</td> + </tr> + <tr> + <td>{{domxref("DOMString")}}</td> + <td>{{domxref('PerformancePaintTiming')}}</td> + <td><code>paint</code></td> + <td><code>'first-paint'</code> もしくは <code>'first-contentful-paint'</code> のいずれか</td> + </tr> + </tbody> +</table> + +<h2 id="例">例</h2> + +<p>次の例は、<code>name</code> プロパティの使い方を示しています。</p> + +<pre class="brush: js">function run_PerformanceEntry() { + log("PerformanceEntry support ..."); + + if (performance.mark === undefined) { + log("... performance.mark Not supported"); + return; + } + + // Create some performance entries via the mark() method + performance.mark("Begin"); + do_work(50000); + performance.mark("End"); + + // Use getEntries() to iterate through the each entry + var p = performance.getEntries(); + for (var i=0; i < p.length; i++) { + log("Entry[" + i + "]"); + check_PerformanceEntry(p[i]); + } +} +function check_PerformanceEntry(obj) { + var properties = ["name", "entryType", "startTime", "duration"]; + var methods = ["toJSON"]; + + for (var i=0; i < properties.length; i++) { + // check each property + var supported = properties[i] in obj; + if (supported) + log("..." + properties[i] + " = " + obj[properties[i]]); + else + log("..." + properties[i] + " = Not supported"); + } + for (var i=0; i < methods.length; i++) { + // check each method + var supported = typeof obj[methods[i]] == "function"; + if (supported) { + var js = obj[methods[i]](); + log("..." + methods[i] + "() = " + JSON.stringify(js)); + } else { + log("..." + methods[i] + " = 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('Performance Timeline Level 2', '#dom-performanceentry-name', 'name')}}</td> + <td>{{Spec2('Performance Timeline Level 2')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('Performance Timeline', '#dom-performanceentry-name', 'name')}}</td> + <td>{{Spec2('Performance Timeline')}}</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.PerformanceEntry.name")}}</p> +</div> |
