HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>triggerHandler return value demo</title>
  <style>
    body { font-family: sans-serif; padding: 16px; max-width: 420px; }
    #score { font-size: 2rem; font-weight: bold; padding: 12px; background: #fef3c7; border-radius: 8px; display: inline-block; }
    button { margin-top: 12px; padding: 8px 16px; cursor: pointer; }
    #log { margin-top: 12px; color: #7c2d12; font-weight: bold; }
  </style>
</head>
<body>
  <div id="score">75</div>
  <button type="button" id="run">triggerHandler("check")</button>
  <div id="log">Click to run check handler and read return value.</div>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    $("#score").on("check", function() {
      var val = parseInt($(this).text(), 10);
      return val >= 50 ? "pass" : "fail";
    });
    $("#run").on("click", function() {
      var result = $("#score").triggerHandler("check");
      $("#log").text("Return value: " + result);
    });
  </script>
</body>
</html>

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jQuery .triggerHandler() return value — check event (Try It)