PerformanceLongAnimationFrameTiming: firstUIEventTimestamp property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The firstUIEventTimestamp read-only property of the PerformanceLongAnimationFrameTiming interface returns a DOMHighResTimeStamp indicating the time of the first UI event — such as a mouse or keyboard event — to be queued during the current animation frame.

Value

Examples

See Long animation frame timing for examples related to the Long Animation Frames API.

Specifications

Specification
Long Animation Frames API
# dom-performancelonganimationframetiming-firstuieventtimestamp

Browser compatibility

desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
firstUIEventTimestamp
Experimental

See also