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Groups > comp.lang.javascript > #29071

Re: Scope of "this" variable

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On 12/29/2015 07:38 PM, Joao Rodrigues wrote:
> On 29/12/2015 17:34, Teemu Likonen wrote:
>> Code
>>
>>      var Item = function() {
>>          this.variable = "variable";
>>          this.fn1 = function() { return this.variable; };
>>          this.foo = {
>>              fn2: function() { return this.variable; }
>                                         ^^^^^^
> Here, 'this.variable' means 'foo.variable', but there isn't such
> identifier in foo, so 'this.variable' will return undefined, according
> to the ECMAScript 5.1, $ 8.7 - The Reference Specification Type. Also
> see $ 10.3.1, 11.1.1 and 11.1.2

Ben Bacarisse got the right reference to the ECMAScript Language 
Specification (section 11.2.3 "Function Calls") for this part of the 
OP's code.




-- 
Joao Rodrigues

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Thread

Scope of "this" variable Teemu Likonen <tlikonen@iki.fi> - 2015-12-29 21:34 +0200
  Re: Scope of "this" variable Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-12-29 20:47 +0000
    Re: Scope of "this" variable Teemu Likonen <tlikonen@iki.fi> - 2015-12-30 10:57 +0200
  Re: Scope of "this" variable Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-29 22:09 +0100
  Re: Scope of "this" variable Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-12-29 19:38 -0200
    Re: Scope of "this" variable Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-12-29 19:46 -0200
      Re: Scope of "this" variable Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-30 00:42 +0100
    Re: Scope of "this" variable Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-12-30 00:35 +0100
    Re: Scope of "this" variable Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-12-30 02:18 -0200

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