On Fri, Oct 10, 2014 at 4:09 PM, Brendan Eich <bren...@mozilla.org> wrote:
> Domenic Denicola wrote: > >> That said, Set is shipping in every major browser so it's not going to >> get fixed now. >> > > Why do you say that? > > Yeah, since the spec normally changes in some small parts, as e.g. with recent change to `Array#last` and `Array#lastIndex` which do not skip holes anymore (which is not the best from the compatibility with other similar methods like `Array#map`, `Array#forEach`, etc). But as long as it's a new policy, and why bother with holes if most of arrays are dense, not sparse -- probably OK, I fixed my polyfills already. This is just for the word, that browser change their implementations gradually anyway, once spec changes. Dmitry
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