On Oct 24, 2011, at 2:53 PM, Axel Rauschmayer wrote: > that = this: > - Your point is that forEach() and map() have a second parameter that allows > you to hand in a value for "this", right? > => I have yet to find a clear argument in favor or against using that = > this here. Both solutions have performance implications, both solutions add > an extra line. that = this has two extra tokens, but adding a second argument > looks awkward.
We're talking about performance, not "looks". Passing trailing |this| parameters to the Array extras avoids allocation (bound object or closure) per extra application. /be _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
