The DocumentFragment.firstElementChild read-only property returns the document fragment's first child Element, or null if there are no child elements.
The DocumentFragment.firstElementChild read-only property returns the document fragment's first child Element, or null if there are no child elements.
An Element that is the first child Element of the object, or null if there are none.
js
let fragment = new DocumentFragment(); fragment.firstElementChild; // null let paragraph = document.createElement("p"); fragment.appendChild(paragraph); fragment.firstElementChild; // <p>
| Specification |
|---|
| DOM Standard # ref-for-dom-parentnode-firstelementchild① |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
firstElementChild |
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/DocumentFragment/firstElementChild