I have a simple snippet: let startTime = -1 let lastNow = -1 let lastTS = -1 const animate = (timeStamp)=>{ requestAnimationFrame(animate) const now = Date.now() if(lastTS===-1){ lastTS = timeStamp lastDate = now } const deltaTS = timeStamp – lastTS lastTS = timeStamp const deltaNow = now – lastNow lastNow = now console.log(deltaTS,deltaNow) } animate(-1)… Read More Inconsistent delta when using requestAnimationFrame and Date.now()

I know this can be done by using CSS transition, however this 2 seconds fade-in exercise has to be done by using requestAnimationFrame, below is my code, it shows the picture but no fade in effect, also the render process is not smooth. Could you tell me where i get wrong and how to correct… Read More Using Javascript RequestAnimatoinFrame to create Fade in effect

I can’t find any information why Firefox v91.10.0esr on Windows 10 complains that requestAnimationFrame is not defined: const worker = new Worker( URL.createObjectURL( new Blob( [“requestAnimationFrame(() => this.postMessage(‘requestAnimationFrame in web-worker process’))”] , { type: “text/javascript” }))); worker.addEventListener(“message”, e => { console.log(e.data); }); requestAnimationFrame(() => console.log(“requestAnimationFrame in main process”)); 19:09:53.100 ReferenceError: requestAnimationFrame is not defined 569ddce0-b6c3-47c9-88b4-89d59445b335:1:1… Read More requestAnimationFrame is not defined in web-worker in Firefox?