tryggvigy
/ react-virtualized-framerate-test.js
Last active
June 24, 2020 22:10
— forked from bvaughn/react-virtualized-framerate-test.js
Quick demonstration of a way to measure scrolling performance for react-virtualized in an automated way
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| /** Measures framerate for the time between start() and stop() calls */ | |
| function FramerateMeasurer () { | |
| this.start = () => { | |
| this._beginTime = ( performance || Date ).now() | |
| this._frames = 0 | |
| this._animationFrameId = requestAnimationFrame(this._loop) | |
| } | |
| this.stop = () => { | |
| const endTime = ( performance || Date ).now() |