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Groups > comp.lang.javascript > #33447
| From | Ben Bacarisse <ben.usenet@bsb.me.uk> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: x === x |
| Date | 2017-05-31 01:02 +0100 |
| Organization | A noiseless patient Spider |
| Message-ID | <87inkh28sf.fsf@bsb.me.uk> (permalink) |
| References | <JavaScript-20170530123255@ram.dialup.fu-berlin.de> <874lw231ui.fsf@bsb.me.uk> <context-20170530144535@ram.dialup.fu-berlin.de> <2872662.aeNJFYEL58@PointedEars.de> |
Thomas 'PointedEars' Lahn <PointedEars@web.de> writes:
> Stefan Ram wrote:
>
>> Ben Bacarisse <ben.usenet@bsb.me.uk> writes:
>>> What's wrong with {} === {}?
>>
>> It depends on the context.
>
> No, it does not. “===” *makes* the (expression) context.
$ nodejs -c -e '[] === [];' && echo "ok"
ok
$ nodejs -c -e '{} === {};' && echo "ok"
[eval]:1
{} === {};
^^^
SyntaxError: Unexpected token ===
<snip trace-back>
$ nodejs -c -e '({} === {});' && echo "ok" ✘
ok
--
Ben.
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Re: x === x Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-30 14:34 +0100
Re: x === x Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-30 15:02 +0100
Re: x === x Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-05-30 16:22 +0200
Re: x === x Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-31 01:02 +0100
Re: x === x Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-05-31 12:39 +0200
Re: x === x Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-31 21:52 +0100
Re: x === x Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-05-31 23:39 +0200
Re: x === x Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-06-01 01:46 +0100
Re: x === x Julio Di Egidio <julio@diegidio.name> - 2017-06-01 00:14 -0700
Re: x === x John G Harris <niam@jghnorth.org.uk.invalid> - 2017-06-01 10:39 +0100
Re: x === x Julio Di Egidio <julio@diegidio.name> - 2017-06-01 03:37 -0700
Re: x === x John G Harris <niam@jghnorth.org.uk.invalid> - 2017-06-01 18:54 +0100
Re: x === x Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-06-01 21:54 +0100
Re: x === x John G Harris <niam@jghnorth.org.uk.invalid> - 2017-06-02 11:06 +0100
Re: x === x John G Harris <niam@jghnorth.org.uk.invalid> - 2017-06-02 11:08 +0100
Re: x === x John G Harris <niam@jghnorth.org.uk.invalid> - 2017-06-02 10:56 +0100
Re: x === x Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-06-04 12:50 +0100
Re: x === x John G Harris <niam@jghnorth.org.uk.invalid> - 2017-06-04 14:30 +0100
Re: x === x Dr J R Stockton <J.R.Stockton@physics.org> - 2017-06-04 09:03 -0700
Re: x === x Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-06-01 14:45 +0100
Re: x === x Julio Di Egidio <julio@diegidio.name> - 2017-06-01 07:00 -0700
Re: x === x Julio Di Egidio <julio@diegidio.name> - 2017-06-01 00:00 -0700
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