Following code is not working in firefox 41.0.2
   Code is working in chrome
   

   Jquery code page link
   http://api.jquery.com/event.preventDefault/
   

   

  
 
 

  

   <div id="log"></div>
  
 
 

  

    
  
 
 

  

   <script>
  
 
 

  

   $( "a" ).click(function( event ) {
  
 
 

  

    event.preventDefault();
  
 
 

  

    $( "<div>" )
  
 
 

  

    .append( "default " + event.type + " prevented" )
  
 
 

  

    .appendTo( "#log" );
  
 
 

  

   });
  
 
 

  

   </script>