The test for "Built-in extensions/Array.prototype methods/Array.prototype.values" on ECMAscrpipt 6 Compatibility Table (http://kangax.github.io/compat-table/es6/) is failing o FF51. It works fine on FF50 and FF52.
This is probably bug 1299593. To make a long story short: there's this one CRM out there that breaks if support for Array.prototype.values is shipped. Until that's resolved somehow -- there's an update to the CRM, and if everyone installed it we might be home free -- Array.prototype.values will continue to not work to spec.
See Also: → bug 1299593
If this is really the case, I would expect the same behavior on FF50 beta too.
I tested again with released Firefox 50 and current builds for versions 51, 52, 53. It seems to be working as expected according to bug #1299593.
Status: NEW → RESOLVED
Last Resolved: 2 years ago
Resolution: --- → FIXED
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