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author | Masahiro FUJIMOTO <mfujimot@gmail.com> | 2021-04-18 00:31:39 +0900 |
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committer | GitHub <noreply@github.com> | 2021-04-18 00:31:39 +0900 |
commit | 33d52ff611c0da0039a2c07ebd7ca0c9645e2cff (patch) | |
tree | ac42f3e9a92221e5924772afde61d4850629efdf /files/ja | |
parent | 7ce68172263eecf6b0057a40e313f719bb8e24c6 (diff) | |
download | translated-content-33d52ff611c0da0039a2c07ebd7ca0c9645e2cff.tar.gz translated-content-33d52ff611c0da0039a2c07ebd7ca0c9645e2cff.tar.bz2 translated-content-33d52ff611c0da0039a2c07ebd7ca0c9645e2cff.zip |
DOMTokenList.supports を新規翻訳 (#424)
2021/03/11 時点の英語版に基づき新規翻訳
Diffstat (limited to 'files/ja')
-rw-r--r-- | files/ja/web/api/domtokenlist/supports/index.html | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/files/ja/web/api/domtokenlist/supports/index.html b/files/ja/web/api/domtokenlist/supports/index.html new file mode 100644 index 0000000000..31af1e1455 --- /dev/null +++ b/files/ja/web/api/domtokenlist/supports/index.html @@ -0,0 +1,69 @@ +--- +title: DOMTokenList.supports() +slug: Web/API/DOMTokenList/supports +tags: + - API + - DOM + - Method + - Reference +translation_of: Web/API/DOMTokenList/supports +--- +<p>{{APIRef("DOM")}}{{SeeCompatTable}}</p> + +<p><span class="seoSummary"><strong><code>supports()</code></strong> は {{domxref("DOMTokenList")}} インターフェイスのメソッドで、渡された <code><var>token</var></code> が関連する属性で対応しているトークンに含まれていれば <code>true</code> を返します。このメソッドは機能に対応しているかを検出するためのものです。</span></p> + +<h2 id="Syntax">構文</h2> + +<pre + class="brush: js">let <var>trueOrFalse</var> = <var>element</var>.supports(<var>token</var>)</pre> + +<h3 id="Parameters">引数</h3> + +<dl> + <dt><code><var>token</var></code></dt> + <dd>{{domxref("DOMString")}} で、問い合わせるトークンが入ります。</dd> +</dl> + +<h3 id="Returns">返値</h3> + +<p>{{jsxref("Boolean")}} で、トークンが見つかったかどうかを返します。</p> + +<h2 id="Example">例</h2> + +<pre class="brush: js">let iframe = document.getElementById('display'); + +if (iframe.sandbox.supports('an-upcoming-feature')) { + // support code for mystery future feature +} else { + // fallback code +} + +if (iframe.sandbox.supports('allow-scripts')) { + // instruct frame to run JavaScript + // + // (NOTE: This feature is well-supported; this is just an example!) + // +}</pre> + +<h2 id="Specifications">仕様書</h2> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">仕様書</th> + <th scope="col">状態</th> + <th scope="col">備考</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{SpecName('Credential Management')}}</td> + <td>{{Spec2('Credential Management')}}</td> + <td>初回定義</td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility">ブラウザーの互換性</h2> + +<p>{{Compat("api.DOMTokenList.supports")}}</p> |