[Javascript] Functions arguments...

[Victor Papp]

Or simpler, I use
x+=''; // 2 single quotes here

Victor Papp.

----- Original Message -----
From: "Peter-Paul Koch" <gassinaumasis at hotmail.com>
To: <javascript at latech.edu>
Sent: Thursday, May 03, 2001 4:47 PM
Subject: Re: [Javascript] Functions arguments...


>
> >Well, it seems that nobody can help me with the conversion of variant
into
> >a
> >string...if anyone can, please email the answer, I'm in a hurry...
>
> var x = 4; // x is a number
> x = x + 'a'; // now x is a string
> OR
> x.toString(); now x is a string
>
> var x = '1234'; // x is a string
> x = x * 1; // now x is a number
>
> >Meanwhile I want to ask another question...
> >How can I pass an argument to a function, modify it inside the function,
> >and
> >then that this modification reflects outside the function
>
> var y; // declare global variable y, accessible in all functions
>
> function doIt(x)
> {
> y = x
> }
>
> x is a local variable, you can only read or use it inside the function.
> However, y is global so if you do y = x you load the local value of x as
the
> global value of y. y keeps the value until you run the function again.
>
> If you'd done
>
> function doIt(x)
> {
> var  y = x
> }
>
> y would have been a local variable too, usable only inside the function.
>
> >And again, my question...How can I convert a variant type to a string or
a
> >byte or an integer???...
>
> These differences do not exist in JavaScript. A variable can be either a
> string or a number, if it's a number you can do anything with it, doesn't
> matter it it's an integer or a float or a double.
>
> ppk
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