After calling BS on #10 below, I went back and tested this one as well. The explicit call was as fast or faster over three attempts. So not only is this poor advice, it's also wrong.
> 10 Cache Globals
Tested on jsPerf, the difference was negligible (less than half a percent);
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[ 2.9 ms ] story [ 9.8 ms ] threadThat's not going to make your JS any clearer.
After calling BS on #10 below, I went back and tested this one as well. The explicit call was as fast or faster over three attempts. So not only is this poor advice, it's also wrong.
> 10 Cache Globals
Tested on jsPerf, the difference was negligible (less than half a percent);