Re: Why do I have to use the keyword this in my Employee example

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From	Thomas 'PointedEars' Lahn <PointedEars@web.de>
Reply-To	Thomas 'PointedEars' Lahn <cljs@PointedEars.de>
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Subject	Re: Why do I have to use the keyword this in my Employee example
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Tony Johansson wrote:

> The kyword this is always refering to the owner.

No, it always evaluates to the “this” value of the execution context.

> In this Employee example the owner must be window.

No, the new “Employee” instance.

> I userstand this for example when I want to change color for  this html 
> control I pass the controlitself to the event handler ChangeColor
> <input id="Button1" type="button" value="button" 
> onclick="ChangeColor(this)"

You have not posted a “ChangeColor” function.

> […]
>    function Employee(first, last)
>    {
>        var _firstName = first;
>        var _lastName = last;
> 
>        this.get_FirstName = function ()
>        {
>            return _firstName;
>        }
> […]
>    }
> 
>    function Foo()

This function is probably never called as a constructor (because that would 
not make sense); avoid the leading capital letter.

>    {
>         var emp = new Employee("Nisse", "Hult");
>         var name = emp.get_FirstName() + " " + emp.get_LastName();
> […]
>    }

I find your indentation excessive, especially for Usenet; two spaces per 
level should suffice.  YMMV.

-- 
PointedEars

Twitter: @PointedEars2
Please do not Cc: me. / Bitte keine Kopien per E-Mail.

Thread

Why do I have to use the keyword this in my Employee example "Tony Johansson" <johansson.andersson@telia.com> - 2014-01-11 13:08 +0100
  Re: Why do I have to use the keyword this in my Employee example Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-01-11 16:37 +0100
  Re: Why do I have to use the keyword this in my Employee example John Harris <niam@jghnorth.org.uk.invalid> - 2014-01-11 15:58 +0000
    Re: Why do I have to use the keyword this in my Employee example Christoph Michael Becker <cmbecker69@arcor.de> - 2014-01-11 18:02 +0100
      Re: Why do I have to use the keyword this in my Employee example Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-01-11 20:07 +0100
        Re: Why do I have to use the keyword this in my Employee example Christoph Michael Becker <cmbecker69@arcor.de> - 2014-01-12 21:15 +0100
          Re: Why do I have to use the keyword this in my Employee example Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-01-12 21:51 +0100
        Re: Why do I have to use the keyword this in my Employee example John Harris <niam@jghnorth.org.uk.invalid> - 2014-01-14 09:56 +0000
  Re: Why do I have to use the keyword this in my Employee example JJ <duh@nah.meh> - 2014-01-11 23:10 +0700

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