Javascript Objects with variable properties: Is it possible?

Question

Possible Duplicate:
javascript object, access variable property name?

I'm sure it can be done but I could use some help...

$('.red_button')
    .each(function() {
        var someVariable = $(this).attr('name');
        myObject.someVariable = 0;
    });

Many thanks to my saviour!

score 2 · Answer 1 · answered Jul 02 '12 at 16:09

2

Yes, you can use brackets for this:

myObject[ someVariable ] = 0;

answered Jul 02 '12 at 16:09

antyrat

score 1 · Answer 2 · answered Jul 02 '12 at 16:10

1

What you are referring to is called dynamic object properties. In order to implement this functionality you would use the following syntax:

myObject[someVariable] = 0;

answered Jul 02 '12 at 16:10

Robert

score 1 · Accepted Answer · answered Jul 02 '12 at 16:10

1

$('.red_button')
    .each(function() {
        var someVariable = $(this).attr('name');
        myObject[someVariable] = 0;
    });

answered Jul 02 '12 at 16:10

CD..

score 0 · Answer 4 · answered Jul 02 '12 at 16:14

0

that is correct, assuming you have created the myObject before using it :

answered Jul 02 '12 at 16:14

NimChimpsky

I think you missed the point... – CD.. Jul 02 '12 at 16:16
@CD.. I think I linked to the wrong jsfiddle. It works if you declare the myObject before accessing. What point did I miss ? – NimChimpsky Jul 02 '12 at 16:17
I think the OP meant this: http://jsfiddle.net/kht9P/ – CD.. Jul 02 '12 at 16:23
@CD.. doh, http://jsfiddle.net/73WZ3/2/ yeah ok, blame it on monday. Javascript still catches me out, just as I thought I was getting good at it – NimChimpsky Jul 02 '12 at 16:27

4 Answers4