Standard builtins' prototypes and toString

Allen Wirfs-Brock allen at
Thu Jun 12 08:57:46 PDT 2014

On Jun 12, 2014, at 8:45 AM, André Bargull wrote:

>> On Jun 12, 2014, at 5:26 AM, Till Schneidereit wrote:
>> > While working on changing Date.prototype to be a plain object in SpiderMonkey, we realized that there's an issue: the way things are specced now, `alert(Date.prototype)` will throw, because `Date.prototype.toString` isn't generic. The same applies for all builtins with non-generic `toString` prototype functions.
>> Fortunately there aren't very many of those. I think it is only Date and RegExp that have this issue among the ES6 built-ins
> And Number.prototype, String.prototype, Boolean.prototype and Symbol.prototype. And actually it's even worse for Symbol.prototype because of the @@toPrimitive override.

Right, I left those out because I thought we didn't have an issue with them, but you're right.  I'll fix them too.


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