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Element: ariaSelected プロパティ - Web API | MDN
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このページはコミュニティーの尽力で英語から翻訳されました。MDN Web Docs コミュニティーについてもっと知り、仲間になるにはこちらから。
Element: ariaSelected プロパティ
Baseline
2023
Newly available
Since October 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
ariaSelected は Element インターフェイスのプロパティで、aria-selected 属性の値を反映し、選択状態を持つ要素の現在の "selected" 状態を示します。
値
以下のいずれかの値を持つ文字列です。
"true"-
この項目は選択されています。
"false"-
この項目は選択されていません。
"undefined"-
この項目は選択できません。
例
この例では、ID が tab-id の要素の aria-selected 属性は "true" に設定されています。ariaSelectedを使用して値を "false" に更新します。
html
<button role="tab" aria-selected="true" aria-controls="tabpanel-id" id="tab-id">
Tab label
</button>
js
let el = document.getElementById("tab-id");
console.log(el.ariaSelected); // true
el.ariaSelected = "false";
console.log(el.ariaSelected); // false
仕様書
| Specification |
|---|
| Accessible Rich Internet Applications (WAI-ARIA) # dom-ariamixin-ariaselected |
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