Updates:
Status: WorkingAsIntended
Comment #78 on issue 235 by [email protected]: Support the Javascript E4X
extension
http://code.google.com/p/v8/issues/detail?id=235
There is still no plan to implement E4X in V8. Nothing has changed this in
the time the feature request has been open, and we can't see any reason to
believe it will change in the future either, so we now close this feature
request.
The progress in the JavaScript/ECMAScript language these days are in ES5
and its successors and in ECMAScript implementations actually converging on
these standards. JSON is proliferating as a data interchange format at the
expense of XML, and most ECMAScript implementations don't have E4X, so it's
not used on the web at all.
All in all, there are no signs that E4X will become more relevant in the
future of ECMAScript than it is now.
Unless that changes, we consider the added complexity of a full E4X
implementation in V8 to significantly outweigh its benefits.
It's clear from the traffic on this issue that there are developers who
feel passionately about the functionality provided by E4X, and we'd
recommend those of you who do to give feedback to TC39 to make sure that
your needs are addressed in a future version of the ECMAScript standard.
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