requestAnimationFrame()The requestAnimationFrame() method schedules a function that runs before the next repaint. You can use it to animate content with JavaScript.widely2015-07-292018-01-29https://html.spec.whatwg.org/multipage/imagebitmap-and-animations.html#animation-framesrequestanimationframehttps://developer.mozilla.org/docs/Web/API/Window/cancelAnimationFrameapi.Window.cancelAnimationFrameapi.Window.requestAnimationFramehttps://nowyoucanuse.com/features--request-animation-frame.html