HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>migration</title>
  <style>
    body { font-family: sans-serif; padding: 16px; max-width: 520px; line-height: 1.5; }
    #panel { height: 120px; overflow: auto; border: 2px solid #10b981; border-radius: 8px; padding: 10px; margin-bottom: 12px; }
    #log { font-family: ui-monospace, monospace; font-size: 13px; background: #f0fdf4; padding: 10px; border-radius: 6px; min-height: 50px; }
    .warn { color: #b45309; font-size: 14px; }
  </style>
</head>
<body>
  <p class="warn">.scroll(handler) is deprecated — use .on("scroll", fn). Not the same as .scrollTop().</p>
  <div id="panel">Scroll me. Paragraph one. Paragraph two with extra content to overflow the panel height.</div>
  <button type="button" id="go">Trigger modern handler</button>
  <div id="log"></div>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    $("#panel").on("scroll", function() {
      $("#log").append("<div>.on('scroll') — scrollTop " + $(this).scrollTop() + "</div>");
    });
    // Legacy: $("#panel").scroll(function() { ... });
    $("#go").on("click", function() {
      $("#panel").trigger("scroll");
    });
  </script>
</body>
</html>

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jQuery .scroll() — migrate to .on('scroll') (Try It)