f() = x de facto standard
bruant.d at gmail.com
Wed Aug 7 04:08:37 PDT 2013
Apparently, "f() = x" was forbidden as of ES5.1 (was still available in
ES5 apparently), but a jQuery plugin is using it  (path not triggered
in non-IE browsers).
Not breaking the web, all that. It should probably be brought back.
Syntax isn't my cup of tea, so I'll let others judge if a detail was
Kudos to @kuvos on this one!
More information about the es-discuss