How to update radio value using JQuery

I have this HTML code for radio stations:

<input type='radio' name='a_27' value='Yes' id='a_27_0' />

<input type='radio' name='a_27' value='No' id='a_27_1' />

      

        
        
        
      

    

I am trying to set the selected radio value using this code:

var field="a_" + this.id;
$('[name="' + field + '"]').val(this.value);
console.log("name is " + field + ", val is " + this.value);

      

        
        
        
      

    

However, this doesn't work, and nothing happens. Here's the output from the Firebug console that appears after the third line:

name - a_27, val - Yes

Any ideas?

I would prefer a method that would also work for <select>s

, so I would not need to write additional / separate code for radios and choose.

Edit: weird problem. I noticed that although my html code gives a different meaning (yes / no), in firebug it shows that radios have a yes. If I choose no and hit save, the javascript function still gets "yes" instead of no. Am I doing something wrong?

Edit 2: full function:

function processMultiOptAnswers()
{
    $.each(multiOpts,function()
        {
            var field="a_" + this.id;
            console.log("name is " + field + ", val is " + this.value);

            $('[name="' + field + '"]').val(this.value);
        }
    );
}