Le 11/03/2013 22:51, Andrea Giammarchi a écrit :
the outer `with` statement ... you see my point? we are dropping
powerful features in order to make JavaScript the toy we all think is
since ever
A while ago I discussed the 'with' trick on es-discuss (I don't remember
when, it was a message about dynamic loaders IIRC) and I think Mark's
reply was that it was a "temporary" (ES5 era) hack and the proper ES6
way would be to use a custom loader (using the a custom 'global' property).
In that instance, "with" isn't a powerful feature, it's a convenience
used so that the relevant sandboxing code is 6 lines instead of a full
parser, because if there was no "with", that's probably what Caja would
be doing anyway.
David
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