Re: How to write good performance code?

This sort of micro optimisation is pointless as it will happen a few
times here and there and costs nearly nothing in terms of CPU time.
Creating a local variable or not, makes no difference. Local and other
types of variables are being created all over the place. The browser
is doing a thousand other *more costly* things like painting a screen
with a million pixels, that worrying about a small thing like the
snippet makes no sense.

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