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Message-ID: <1629412.iLo1Md9sQa@PointedEars.de>
From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Reply-To: Thomas 'PointedEars' Lahn <usenet@PointedEars.de>
Organization: PointedEars Software (PES)
Date: Mon, 06 May 2013 01:09:50 +0200
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Subject: Re: variable access
Newsgroups: comp.lang.javascript
References: <90af5a5a-ba92-4745-917c-a8ad3ff54704@googlegroups.com> <51863ea9$0$6640$9b4e6d93@newsspool2.arcor-online.net> <c56b3a60-c211-4bf5-8e67-fdf1789fb5e8@googlegroups.com> <5148182.RP0mX05cp1@PointedEars.de>
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Thomas 'PointedEars' Lahn wrote:

> saurabh.khemka4@gmail.com wrote:
>> Suppose I have a variable declared in javascript file(1.js)
>> 
>> game = "abc";
> 
> This is _not_ a variable declaration.  A variable declaration starts with
> 
>   var
> 
> followed by the variable identifier, and an optional initialization part.
> 
> You are attempting to add a property named “game” to an object, which, by
> contrast to a variable declaration, can fail even if syntactically
> correct.
> 
> For example, if there is an element with name or ID “abc” in your
                                           ^^^^^^^^^^^^^^^^
I meant name or ID “game”, of course.  The left-hand side of the simple 
assignment specifies name of the property whose value may not be modifiable.

> document, and you are using IE/MSHTML, this assignment *will* fail because
> the global object or another object before it in the scope chain already
> has a non- writable property of that name that refers to the corresponding
> object.

-- 
PointedEars

Twitter: @PointedEars2
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