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Groups > comp.lang.javascript > #27969

Re: Differences between [[Class]] and constructor

From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups comp.lang.javascript
Subject Re: Differences between [[Class]] and constructor
Date 2015-06-02 23:07 +0200
Organization PointedEars Software (PES)
Message-ID <1528792.TAupHRCX4z@PointedEars.de> (permalink)
References <ct69cmFtvojU1@mid.uni-berlin.de> <6733032.WIyCHQfpTH@PointedEars.de>

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Thomas 'PointedEars' Lahn wrote:

> Stefan Ram wrote:
>> function className( object )
>> { return 0,
>>   Object.prototype.toString.call( object ).
>>   replace( "\[object ", "" ).replace( "\]", "" ); }
> 
> This is written shorter, less error-prone, more efficient, and actually
> readable
> 
>   (({}).toString.call(object).match(/\[object\s+(.+)\s*\]/) || [])[0]

[1], of course.  (So much for “less error-prone” ;-))

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Re: Differences between [[Class]] and constructor Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-06-02 22:58 +0200
  Re: Differences between [[Class]] and constructor Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-06-02 23:07 +0200

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