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Document: head 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。
Document: head プロパティ
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2018年6月.
head は Document インターフェイスの読み取り専用のプロパティで、この文書の <head> 要素を返します。
値
HTMLHeadElement です。
例
html
<!doctype html>
<head id="my-document-head">
<title>例: document.head の使用</title>
</head>
<script>
const theHead = document.head;
console.log(theHead.id); // "my-document-head";
console.log(theHead === document.querySelector("head")); // true
</script>
メモ
document.head は読み取り専用です。このプロパティに値を代入した場合は、暗黙に失敗するか、 厳格モードの場合は、TypeError が発生します。
仕様書
| Specification |
|---|
| HTML # dom-document-head-dev |
ブラウザーの互換性
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