Third time’s the charm! 爛
On Wed, Jan 31, 2018 at 4:07 PM, Sathya Gunasekaran
wrote:
> Contact Emails:
> gsat...@chromium.org
>
> Spec:
> https://tc39.github.io/ecma262/#sec-array.prototype.values
>
> Summary:
> The values() method returns a new Array Iterator object that contains the
> values for each index in the array.
>
> Compatibility Risk:
> The compat risk is high. There has been two attempts to ship this already
> back in 2014 and 2016, both of which found this to be web incompatible. For
> more details see:
> https://bugs.chromium.org/p/chromium/issues/detail?id=409858
> https://bugs.chromium.org/p/chromium/issues/detail?id=615873
>
> Both the launches were found to be incompatible with enterprise software
> (that couldn't be easily updated). Unfortunately, there's no easy to way to
> find out if this is still the case today.
>
> The shipping plan is to enable this feature by default and add both: a
> finch and an about:flags kill switch.
>
> The finch kill switch can be used to turn this off if more than just the
> enterprise site breaks. The about:flags kill switch can be toggled by the
> enterprise site users if it breaks, leaving the rest of the world to enjoy
> Array.prototype.values.
>
> Interoperability:
> Edge and Safari both ship this feature.
>
> Firefox does not ship this. They had similar web compat problems when they
> tried to ship this:
> https://bugzilla.mozilla.org/show_bug.cgi?id=1299444
>
> But they plan to try and ship this again soon along with Chrome:
> https://bugzilla.mozilla.org/show_bug.cgi?id=1420101
>
> Tracking bug:
> https://bugs.chromium.org/p/v8/issues/detail?id=4247
>
> Chromestatus entry:
> https://www.chromestatus.com/feature/4755812090118144
>
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