HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>off specific handler</title>
  <style>
    body { font-family: sans-serif; padding: 16px; }
    p { background: #d1fae5; padding: 10px 14px; border-radius: 6px; cursor: pointer; margin: 8px 0; }
    button { padding: 8px 14px; cursor: pointer; margin-right: 8px; margin-top: 8px; }
    #out { margin-top: 12px; color: #047857; font-weight: bold; }
  </style>
</head>
<body>
  <p>Click me — two delegated handlers.</p>
  <button type="button" id="remove-a">Remove handler A</button>
  <div id="out">Both handlers log on click until you remove handler A.</div>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    var handlerA = function() { $("#out").append(" [A]"); };
    var handlerB = function() { $("#out").append(" [B]"); };
    $("body").on("click", "p", handlerA);
    $("body").on("click", "p", handlerB);
    $("#remove-a").on("click", function() {
      $("body").off("click", "p", handlerA);
      $("#out").text("Handler A removed — clicks show [B] only.");
    });
  </script>
</body>
</html>

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jQuery .off() — remove one handler by reference (Try It)