The Document.childElementCount read-only property returns the number of child elements of the document.
To get the number of children of a specific element, see Element.childElementCount.
The Document.childElementCount read-only property returns the number of child elements of the document.
To get the number of children of a specific element, see Element.childElementCount.
A number.
js
document.children; // HTMLCollection, usually containing an <html> element, the document's only child document.childElementCount; // 1
| Specification |
|---|
| DOM Standard # dom-parentnode-childelementcount |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
childElementCount |
29 | 17 | 25 | No | 16 | 9 | 4.4 | 29 | 25 | 16 | 9 | 2.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/Document/childElementCount