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Interval/Timeout throttling for timer?
From the materials below the video I understand that timeout calls are throttled to ~4ms so you could be off by a few ms on the timer because of this. But for such a simple timer would the 4ms really make a big enough difference to go through the trouble of all this previousTime/timeElapsed set up or could you just use setInterval with a 1000 ms increment instead of 100?