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I left this open in a tab on the background with the intention to check it out later. It froze my machine.


This is why requestAnimationFrame [1] for animating. Not only does it sync with the system's refresh rate, it pauses processing when the tab isn't focussed

[1] http://www.paulirish.com/2011/requestanimationframe-for-smar...


That makes me pretty worried about the quality of your machine.


It's a 2011 macbook pro.


What browser do you use? An app isn’t supposed to freeze the entire system.


Chrome.


s/Machine/Operating System/


Same




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