I saw it mentioned in several messages earlier about the comma operator as applied to the let/var statement... I suppose that IS an issue.
for example : if( let a = 1, b = 0 ) 1) if( 1, 0 ) the comma operator clears the expression stack and results with only the value after the comma... so you can chain some expressions that may have side effects... /* if( a=f(), b=g(a) ) */ 2) if the comma is then interpreted as an operator for the declaration, then the result is... undeterminate... because there's really not a testable result ?
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