Summary: the script shows advertisement, and adds a 4 second delay after that.
But the tweet is actually incorrect. setTimeout call does not use any "computation time" (or "cpu time" or "userspace time"). It does waste wall-clock time, but CPU can do other things at that time. As long as your machine has other things to do, nothing is wasted.
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[ 4.1 ms ] story [ 14.5 ms ] threadBut the tweet is actually incorrect. setTimeout call does not use any "computation time" (or "cpu time" or "userspace time"). It does waste wall-clock time, but CPU can do other things at that time. As long as your machine has other things to do, nothing is wasted.