Initializer expression on for-in syntax subject

Andreas Rossberg rossberg at
Fri Mar 14 13:46:49 PDT 2014

On 14 March 2014 00:59, Oliver Hunt <oliver at> wrote:
> JSC has been trying to kill off the initialiser expression in the for(in)
> statement, but we've encountered a bunch of reasonably significant content
> that breaks with it disallowed (a particularly prominent one currently is
>, so we will be bringing back support
> for
> for (var Identifier = Expression in Expression)

I'd be curious to know what the actual code is, and to get an idea why
they are using it that way.


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