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From: Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups: comp.lang.javascript
Subject: Re: x === x
Date: Wed, 31 May 2017 01:02:08 +0100
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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.