web api instance property
Document: firstElementChild property
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 <html> element.
See firstElementChild for the first child element of specific elements within a document.
Value
An Element object, or null.
Examples
document.firstElementChild;
// returns the root <html> element, the only child of the document
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.