jquery - Get Value of Radio button group

Question

I'm trying to get the value of two radio button groups using the jQuery syntax as given below. When the code below is run I get the value selected from the first radio button group twice instead of getting the value of each individual group.

Am I doing something obviously wrong here? Thanks for any help :)

<a href='#' id='check_var'>Check values</a><br/><br/>
<script>
  $('a#check_var').click(function() {
    alert($("input:radio['name=r']:checked").val()+ ' ' +
          $("input:radio['name=s']:checked").val());
  });
</script>
Group 1<br/>
<input type="radio"  name="r" value="radio1"/> radio1
<input type="radio"  name="r" value="radio2"/> radio2
<br/><br/>
Group 2<br/>
<input type="radio"  name="s" value="radio3"/> radio3
<input type="radio"  name="s" value="radio4"/> radio4

Answer 1

Your quotes only need to surround the value part of the attribute-equals selector, [attr='val'], like this:

$('a#check_var').click(function() {
  alert($("input:radio[name='r']:checked").val()+ ' '+
        $("input:radio[name='s']:checked").val());
});?

You can see the working version here.