HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Superscript One (¹) in HTML</title>
  <style>
    #point::after {
      content: "\00B9";
    }
  </style>
</head>
<body>
  <p>Superscript One using Hex Code: &#x00B9;</p>
  <p>Superscript One using HTML Code: &#185;</p>
  <p>Superscript One using Named Entity: &sup1;</p>
  <p id="point">Superscript One using CSS Entity: </p>
  <p>Semantic alternative: x<sup>1</sup></p>
</body>
</html>

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HTML Entity for Superscript One (¹)