jQuery Cookie and Variables

Question

I'm currently using jQuery cookie for a button

$('.vote').one('click', function(){      
    var cookieid = ($(this).data("id")); //cookie name
    alert ($.cookie(cookieid));  //..etc

This gives me a textbox saying "undefined". However, I do know that the variable cookieid is assigned, as alerting the variable gives me a value.

Furthermore, this script works fine if I use a 'cookieid' that I know I have assigned. For instance, I have a cookie named 17. When I alert ($.cookie('17')); everything works correctly.

I'm pretty sure the problem is not in my end of the code, so can jQuery cookie not handle variables?

Edit:

//creating cookie if none already exists
var cookieid = ($(this).data("id")); //cookie name
        if ($.cookie(cookieid) == 'active') //if cookie exists
        {
            //do nothing
        }
        else
        {
            $.cookie(cookieid, 'active');
        }

score 1 · Accepted Answer · 2014-02-25 00:52:24Z

1

($(this).data("id")) returns a number.

alert(typeof $(this).data("id")); //number

Try converting it to a string:

alert ($.cookie(cookieid.toString()));

Here's a working example: jsfiddle

edited Feb 25, 2014 at 0:52

answered Feb 25, 2014 at 0:47

user2616876

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2 Comments

Alexander Over a year ago

Hmm, does converting the cookie to a string only necessary for alerts? I was just using an alert for the example, and maybe that's the only place it wasn't working. I've edited the post with additional info on how I'm using this.

user2616876 Over a year ago

this.data('id') returns a number if your data attribute value is a number, but it will return a string if the value was string. I guess this is why it wasn't working.

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