On Wed, Oct 1, 2014 at 12:52 PM, Till Schneidereit < [email protected]> wrote:
> Unfortunately, it turns out that Array.prototype.contains breaks the web. > Or, the MooTools-using parts of the web, at least. So I'm preparing a > backout right now. > > What's more pressingly unfortunate is that Array.prototype.contains enjoys > a surprisingly spectacular popularity: it's already used in quite a number > of places in the tree, which I'll have to back out, too. > > > Apropos of nothing whatsoever: it turns out landing new JS builtins as > Nightly-only without making that Very Clear is a Bad Idea. In the future, > SpiderMonkey devs will announce such changes and their restrictions on > dev-platform. > That's a great point. It would be great if we can adopt https://wiki.mozilla.org/WebAPI/ExposureGuidelines for new JS fatures as well. Also, out of curiosity, do we have ways of hiding JS built-ins behind prefs similar to DOM APIs? -- Ehsan _______________________________________________ dev-platform mailing list [email protected] https://lists.mozilla.org/listinfo/dev-platform

