PerformanceLongAnimationFrameTiming: renderStart 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 renderStart read-only property of the PerformanceLongAnimationFrameTiming interface returns a DOMHighResTimeStamp indicating the start time of the rendering cycle, which includes Window.requestAnimationFrame() callbacks, style and layout calculation, ResizeObserver callbacks, and IntersectionObserver callbacks.

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

Specification
Long Animation Frames API # dom-performancelonganimationframetiming-renderstart

BCD tables only load in the browser