HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>off bind unbind demo</title>
  <style>
    body { font-family: sans-serif; padding: 16px; }
    button { margin: 5px; padding: 8px 14px; cursor: pointer; }
    button#theone { color: red; background: yellow; font-weight: bold; }
    div.flash-target { margin-top: 12px; padding: 12px; background: #dbeafe; border-radius: 6px; display: none; }
    #status { margin-top: 10px; color: #1d4ed8; font-weight: bold; }
  </style>
</head>
<body>
  <button type="button" id="bind">Add Click</button>
  <button type="button" id="unbind">Remove Click</button>
  <button type="button" id="theone">Does nothing...</button>
  <div class="flash-target">Flash!</div>
  <div id="status">Use Add Click, then click the yellow button. Remove Click disables it.</div>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    function flash() {
      $("div.flash-target").show().fadeOut("slow");
      $("#status").text("Flash handler ran!");
    }
    $("#bind").on("click", function() {
      $("body")
        .on("click", "#theone", flash)
        .find("#theone")
        .text("Can Click!");
      $("#status").text("Handler attached with .on('click', '#theone', flash).");
    });
    $("#unbind").on("click", function() {
      $("body")
        .off("click", "#theone", flash)
        .find("#theone")
        .text("Does nothing...");
      $("#status").text("Handler removed with .off('click', '#theone', flash).");
    });
  </script>
</body>
</html>

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jQuery .off() — bind and unbind delegated click (Try It)