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.
The Document.firstElementChild read-only property
returns the document's first child Element, or null if there
are no child elements.
For HTML documents, this is usually the only child, the root element.
See Element.firstElementChild for the first child element of specific elements within a document.
Value
A Element object, or null.
Examples
js
document.firstElementChild;
// returns the root element, the only child of the document
Specifications
| Specification |
|---|
| DOM # ref-for-dom-parentnode-firstelementchild① |