Document: firstElementChild property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.
TheDocument.firstElementChild read-only propertyreturns the document's first childElement, ornull if thereare no child elements.
For HTML documents, this is usually the only child, the root<html> element.
SeeElement.firstElementChild for the first child element of specific elements within a document.
Value
AnElement object, ornull.
Examples
js
document.firstElementChild;// returns the root <html> element, the only child of the documentSpecifications
| Specification |
|---|
| DOM # ref-for-dom-parentnode-firstelementchild① |