var/let are handled the same in Espruino (that's something that will change at some point though). c=3 creates a GLOBAL variable, even if you're in a function.
There shouldn't be a big performance different either way between == and ===.
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var/let
are handled the same in Espruino (that's something that will change at some point though).c=3
creates a GLOBAL variable, even if you're in a function.There shouldn't be a big performance different either way between == and ===.