Mark S. Miller (2015-04-13T20:21:20.000Z)
On Mon, Apr 13, 2015 at 12:53 PM, Jordan Harband <ljharb at gmail.com> wrote:

> Please note that the `@@toStringTag` changes mean that we do need to
> always have a Number.prototype method that throws when the value does not
> have a [[NumberData]] internal slot - I'm using `Number#toString` for that
> right now, but others may now be relying on the throw behavior of
> `Number#valueOf.
>

Wow, awesome catch!

Even though I recently implemented https://codereview.appspot.com/198470043
, I completely missed that.

To see Caja's current set of dependencies:
https://code.google.com/p/google-caja/source/browse/trunk/src/com/google/caja/ses/repairES5.js#579
They are:

Date.prototype.getDay
(Number,Boolean,String).prototype.toString
RegExpr.prototype.exec
WeakMap.prototype.get

If any of these stop throwing, for Caja and SES, that would be a breaking
change.

Thanks for noticing this!


-- 
    Cheers,
    --MarkM
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d at domenic.me (2015-04-19T23:44:57.028Z)
Wow, awesome catch!

Even though I recently implemented https://codereview.appspot.com/198470043
, I completely missed that.

To see Caja's current set of dependencies:
https://code.google.com/p/google-caja/source/browse/trunk/src/com/google/caja/ses/repairES5.js#579
They are:

```
Date.prototype.getDay
(Number,Boolean,String).prototype.toString
RegExpr.prototype.exec
WeakMap.prototype.get
```

If any of these stop throwing, for Caja and SES, that would be a breaking
change.

Thanks for noticing this!