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Groups > comp.lang.javascript > #36561
| From | Jake Jarvis <pig_in_shoes@yahoo.com> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: "use strict"; in a recent Firefox |
| Date | 2019-05-03 15:28 +0200 |
| Organization | A noiseless patient Spider |
| Message-ID | <qahfm1$dga$1@dont-email.me> (permalink) |
| References | <use-strict-20190502195737@ram.dialup.fu-berlin.de> <18ndmeg9fnold$.dhcs3f0xlczh.dlg@40tude.net> |
Am 03.05.2019 um 15:09 schrieb JJ:
> On 2 May 2019 19:01:49 GMT, Stefan Ram wrote:
>> I read on a webpage that duplicate keys were detected in
>> strict mode. I cannot see this with a recent Firefox:
>>
>> |>> "use strict"; ({ a: 2, a: 3 })
>> |<- Object { a: 3 }
>>
>> . Ok, so, the explanation is:
>>
>> Duplicate keys are now legal since ES6, even in strict mode!
>
> I got an "Unexpected token" exception on both Firefox and Chromium.
>
> Which brower and version, or JavaScript interpreter that allow such code?
>
You have to keep the parentheses
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Re: "use strict"; in a recent Firefox JJ <jj4public@vfemail.net> - 2019-05-03 20:09 +0700
Re: "use strict"; in a recent Firefox Jake Jarvis <pig_in_shoes@yahoo.com> - 2019-05-03 15:28 +0200
Re: "use strict"; in a recent Firefox JJ <jj4public@vfemail.net> - 2019-05-04 18:18 +0700
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