HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery body star selector</title>
  <style>
    #log { font-family: monospace; margin-top: 12px; white-space: pre-line; }
  </style>
</head>
<body>
  <p>Compare global vs body-scoped universal selectors.</p>
  <div id="log"></div>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    var allNodes = $("*").length;
    var bodyDesc = $("body *").length;
    console.log("All nodes:", allNodes);
    console.log("Body descendants:", bodyDesc);
    $("#log").text(
      "All nodes: " + allNodes + "\nBody descendants: " + bodyDesc +
      "\n(Difference = head-only elements like title, meta, link)"
    );
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

jQuery $("*") vs $("body *") (Try It)

jQuery $("") vs $("body ") (Try It)