It does indeed. I just checked in Safari and got an exception. Thanks,
Axel On Nov 23, 2013, at 11:00 , Yusuke SUZUKI <[email protected]> wrote: > JavaScriptCore implements it correctly. > > --- > Regards, > Yusuke Suzuki > > > On Sat, Nov 23, 2013 at 6:24 PM, Axel Rauschmayer <[email protected]> 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 > [email protected] > > home: rauschma.de > twitter: twitter.com/rauschma > blog: 2ality.com > > > > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss > > -- Dr. Axel Rauschmayer [email protected] home: rauschma.de twitter: twitter.com/rauschma blog: 2ality.com
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