On Tue, Oct 7, 2014 at 2:27 PM, Adam Ahmed <[email protected]> wrote: > I got curious after reading the Array.prototype.contains thread. > > I understand it means 'old things on the Web will break', but is there some > cutoff? Based on number sites or number of affected users? > > Couldn't find a definition searching esdiscuss.org - apologies if it's been > discussed.
No official cut-off. The strict definition is "whatever amount of breakage browsers are willing to tolerate", which varies from browser-to-browser and somewhat randomly anyway. In Blink, for example, we tend to be okay with breaking things around a .001% cutoff. ~TJ _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
