If JavaScript has been disabled within your browser, the content or the functionality of the web page can be limited or unavailable. These have the same advantages as requestAnimationFrame, but the browser can perform additional optimizations like automatic compositing, and they're generally easier to use.Many Internet Web sites contain JavaScript, a scripting programming language that runs on the web browser to make specific features on the web page functional. If you can declare your whole animation up-front, consider using CSS animations or the web animations API. Also, requestAnimationFrame will wait for the page to be visible, so it doesn't use any CPU when the page is hidden. It synchronizes with the refresh rate of the device, ensuring you only get one callback per displayable frame, and you get the maximum amount of time to construct that frame. RequestAnimationFrame is much better at scheduling animation work than JavaScript timers. # AnimationĪnimation is a visual thing, so it shouldn't use CPU time when the page is hidden. There's also notification triggers if you want to show a notification at a particular time.
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