Javascript - Function Variable to use in another variable

Question

I want to use a function's variable value to build a variable in the function.

Here's what I got so far:

function foo(1a, 1b) {
 var money = document.myform.1b;
}

So basically, if I pass in foo(aaa, bbb), I would like the variable money to be:

var money = document.myform.bbb;

david · Accepted Answer · 2010-11-24 04:29:17Z

2

You can use document.myform[bbb] if bbb is a string. Which effect are you after?

1

var bbb="variablename";
var money = document.myform.bbb

or 2

var bbb="variablename";
var money=document.myform.variablename

answered Nov 24, 2010 at 4:29

david

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1 Comment

document.myform[bbb] worked! I'm using this to make dynamic selects.

Adam Wagner · Accepted Answer · 2010-11-24 04:28:29Z

1

function foo(a, b) {
  var money = document.myform[b];
}

Also, I don't believe js vars can begin with a number.

answered Nov 24, 2010 at 4:28

Adam Wagner

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NoAlias · Accepted Answer · 2010-11-24 04:28:18Z

-1

var money = document.getElementById(1b);

answered Nov 24, 2010 at 4:28

NoAlias

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