Negative. Clearly measurable differences in a highly optimized environment where performance is highly critical.
*** For fun, just did some performance testing. Right now I see no notable difference in performance between let and var. Yay, because I want to use let everywhere =)
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I wanted to switch, but last I ran benchmarks against it, let ran considerable slower than var.
I'll test it again after the new year.
Negative. Clearly measurable differences in a highly optimized environment where performance is highly critical.
*** For fun, just did some performance testing. Right now I see no notable difference in performance between let and var. Yay, because I want to use let everywhere =)