HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>String.sup()</title>
</head>
<body>
  <pre id="out"></pre>
  <script>
    var contentString = "Hello, world";
    document.getElementById("out").textContent = contentString.sup();
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

String.sup() — basic (Try It)