How to prevent events from being bound multiple times

Question

 $(\'.ajax\').click
 (        
    function()
    {
        // If been bound then we need to return here.
        alert(\':D\');
    }
 )

 $(\'.ajax\').click
 (
            


        

Answer 1

try unbinding it before binding:

$(".ajax").unbind("click").click( 
      function () { 
    alert("Hello"); 
  } );

read this for some more information.