SetTimeout with 0 is a hack, you should have much better result with requestAnimationFrame when it comes to animate something. Also changing class in your DOM a

SetTimeout with 0 is a hack, you should have much better result with requestAnimationFrame when it comes to animate something. Also changing class in your DOM and perform the animation in CSS is the way that works best today. Hopefully this will change when the animation API will have better support from JS: https://developer.mozilla.org/en-US/docs/Web/API/Element/animate https://developer.mozilla.org/en-US/docs/Web/API/Element/ani...