gistfile1.html

<script type="text/javascript" src="http://code.jquery.com/jquery-1.4.2.min.js"></script>
<script>
$(document).ready(function() {
  
  // live/die doesn't seem get unbound from element specified by alternate selector
  
  $(".foo").live("click", function() {
    alert("foo");
    return true;
  });
    
  $(".dont-do-foo").die(); // this doesn't seem to unbind the foo function

  // $(".foo").die();      // this unbinds foo from the element, but that's not 
                           // how i want it to work, because it also unbinds from
                           // the first link as well
                           
  $(".dont-do-foo").live("click", function(){
    alert("dont-do-foo");
    return false;
  });
  
  
  // using bind/unbind gives expected results
  
  $(".bar").bind("click", function() {
    alert("bar");
    return true;
  });
    
  $(".dont-do-bar").unbind();
  $(".dont-do-bar").bind("click", function(){
    alert("dont-do-bar");
    return false;
  });
  
});
</script>

this should alert <a href="./test.html?foo" class="foo">foo</a> (win!)
<br/>
this should alert <a href="./test.html?dont-do-foo" class="foo dont-do-foo">don't do foo</a> (fail!)
<br>
this should alert <a href="./test.html?bar" class="bar">bar</a> (win!)
<br/>
this should alert <a href="./test.html?dont-do-bar" class="bar dont-do-bar">don't do bar</a> (win!)
<br>