Node: hasChildNodes() メソッド
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
構文
js
hasChildNodes()
引数
なし。
返値
論理値で、このノードに子ノードがあれば true
を、そうでなければ false
を返します。
例
js
let foo = document.getElementById("foo");
if (foo.hasChildNodes()) {
// 'foo.childNodes' で何かを行う
}
仕様書
Specification |
---|
DOM # ref-for-dom-node-haschildnodes① |
ブラウザーの互換性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
hasChildNodes |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.