HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>unbind namespace demo</title>
  <style>
    body { font-family: sans-serif; padding: 16px; max-width: 420px; }
    #foo { padding: 14px; background: #fef3c7; border-radius: 8px; cursor: pointer; font-weight: bold; margin-bottom: 10px; }
    button { padding: 8px 14px; cursor: pointer; margin: 4px 4px 4px 0; }
    #log { margin-top: 12px; color: #7c2d12; font-weight: bold; min-height: 2em; }
  </style>
</head>
<body>
  <div id="foo">Click or hover #foo</div>
  <button type="button" id="unbind-ns">.unbind(".myEvents")</button>
  <div id="log">Namespaced handlers run until namespace is removed. Plain click also bound.</div>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    var handler = function(e) {
      $("#log").text("Event: " + e.type + " (myEvents namespace)");
    };
    var plainClick = function() {
      $("#log").text("Plain click (no namespace) — still works after unbind .myEvents");
    };
    $("#foo").bind("click.myEvents", handler);
    $("#foo").bind("mouseenter.myEvents", handler);
    $("#foo").bind("click", plainClick);
    $("#unbind-ns").on("click", function() {
      $("#foo").unbind(".myEvents");
      $("#log").text("Removed .myEvents handlers. Click #foo for plain handler only.");
    });
  </script>
</body>
</html>

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jQuery .unbind('.myEvents') — namespace cleanup (Try It)