HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>document order demo</title>
  <style>
    body { font-family: sans-serif; padding: 16px; }
    b { color: red; font-size: 16px; display: block; clear: left; margin-top: 12px; }
    div, span, p { width: 40px; height: 40px; float: left; margin: 10px; background: #2563eb; padding: 3px; color: #fff; box-sizing: border-box; font-size: 11px; }
  </style>
</head>
<body>
  <span>span</span>
  <p>p</p>
  <p>p</p>
  <div>div</div>
  <span>span</span>
  <p>p</p>
  <div>div</div>
  <b id="order"></b>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    var list = $("div, p, span").map(function() { return this.tagName; }).get().join(", ");
    $("#order").text("Order in jQuery object: " + list);
  </script>
</body>
</html>

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