Is there a way to update the canvas element while inside a JavaScript function without waiting for the function to return? It can be frustrating when you want to keep the function running but also need to update the canvas element in real time.
Is there a way to update the canvas element while inside a JavaScript function without waiting for the function to return? It can be frustrating when you want to keep the function running but also need to update the canvas element in real time.
Typically, there is no simple solution to this problem as the browser blocks all user interface events until its scripting processes are complete. This even applies to updating the canvas, and in extreme cases, can cause the browser window to close (for example, when a script enters an infinite loop).
One workaround is to utilize a setTimeout function at the specific point where you want your canvas to be refreshed:
function reactOnSomething(){
doSomeStuff();
drawMyCanvas();
setTimeout(function(){
goOnWithOtherStuff();
}, 20);
}
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