jQuery find events handlers registered with an object

For jQuery 1.8+, this will no longer work because the internal data is placed in a different object.

The latest unofficial (but works in previous versions as well, at least in 1.7.2) way of doing it now is - $._data(element, "events")

The underscore ("_") is what makes the difference here. Internally, it is calling $.data(element, name, null, true), the last (fourth) parameter is an internal one ("pvt").

As of jQuery 1.8, the event data is no longer available from the "public API" for data. Read this jQuery blog post. You should now use this instead:

jQuery._data( elem, "events" );

elem should be an HTML Element, not a jQuery object, or selector.

Please note, that this is an internal, 'private' structure, and shouldn't be modified. Use this for debugging purposes only.

In older versions of jQuery, you might have to use the old method which is:

jQuery( elem ).data( "events" );

You can do it by crawling the events (as of jQuery 1.8+), like this:

$.each($._data($("#id")[0], "events"), function(i, event) {
  // i is the event type, like "click"
  $.each(event, function(j, h) {
    // h.handler is the function being called
  });
});

Here's an example you can play with:

$(function() {
  $("#el").click(function(){ alert("click"); });
  $("#el").mouseover(function(){ alert("mouseover"); });

  $.each($._data($("#el")[0], "events"), function(i, event) {
    output(i);
    $.each(event, function(j, h) {
        output("- " + h.handler);
    });
  });
});

function output(text) {
    $("#output").html(function(i, h) {
        return h + text + "<br />";
    });
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="el">Test</div>
<code>
    <span id="output"></span>
</code>