How to detect all active JavaScript event handlers?


The simplest solution is to use jQuery to detect all active JavaScript event handlers.

Example

You can try to run the following code to detect active event handlers

Live Demo

<html>
   <head>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
      <script>
         var myEvent = $("#demo");
         myEvent.mouseover(function() {});
         $.each(myEvent.data("events"), function(i, e) {
            alert(i);
         });
      </script>
   </head>
   <body>
      <div id = "demo">Demo Text</div>
   </body>
</html>

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