Limited Availability CSS object models

CSSPseudoElement

A CSSPseudoElement object represents a pseudo-element and its context in the document tree. You get an instance through the pseudo() method of Element or CSSPseudoElement objects or the pseudoTarget property of some events.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Jun 4, 2026.

Desktop Browser Engine Support

Google Chrome

149

Supported

Mozilla Firefox

—

Unsupported

Apple Safari

—

Unsupported

Microsoft Edge

149

Supported

Mobile Browser Engine Support

Chrome Android

149

Firefox Android

—

Safari iOS

—

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.CSSPseudoElement ↗ api.CSSPseudoElement.element ↗ api.CSSPseudoElement.parent ↗ api.CSSPseudoElement.pseudo ↗ api.CSSPseudoElement.type ↗ api.Element.pseudo ↗