JavaScriptCore implements it correctly.
---
Regards,
Yusuke Suzuki
On Sat, Nov 23, 2013 at 6:24 PM, Axel Rauschmayer <axel at rauschma.de> wrote:
> (Hopefully not too off-topic for es-discuss.)
>
> Are JavaScript engines correctly implementing the operation PutValue [1]?
>
> I’d expect the following code to throw an exception.
> Reason: Due to the second part ([[Put]] internal method), step #7 (Throw
> is true, because the assignment happens in strict mode).
>
> ```js
> (function () { 'use strict'; var s=''; s.foo=3 }());
> ```
>
> But it doesn’t (not on Firefox and V8).
>
> [1] http://ecma-international.org/ecma-262/5.1/#sec-8.7.2
>
> --
> Dr. Axel Rauschmayer
> axel at rauschma.de
>
> home: rauschma.de
> twitter: twitter.com/rauschma
> blog: 2ality.com
>
>
>
>
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domenic at domenicdenicola.com (2013-11-29T17:38:19.793Z)
JavaScriptCore implements it correctly. --- Regards, Yusuke Suzuki On Sat, Nov 23, 2013 at 6:24 PM, Axel Rauschmayer <axel at rauschma.de> wrote: > (Hopefully not too off-topic for es-discuss.) > > Are JavaScript engines correctly implementing the operation PutValue [1]? > > I’d expect the following code to throw an exception. > Reason: Due to the second part ([[Put]] internal method), step #7 (Throw > is true, because the assignment happens in strict mode). > > ```js > (function () { 'use strict'; var s=''; s.foo=3 }()); > ``` > > But it doesn’t (not on Firefox and V8). > > [1] http://ecma-international.org/ecma-262/5.1/#sec-8.7.2 > > -- > Dr. Axel Rauschmayer > axel at rauschma.de > > home: rauschma.de > twitter: twitter.com/rauschma > blog: 2ality.com > > > > > _______________________________________________ > es-discuss mailing list > es-discuss at mozilla.org > https://mail.mozilla.org/listinfo/es-discuss > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.mozilla.org/pipermail/es-discuss/attachments/20131123/f586c306/attachment.html>