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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>JavaScript ASCII Codes</title>
  <style>
    body { font-family: system-ui, sans-serif; padding: 1.5rem; line-height: 1.6; }
    output { display: block; margin: 0.5rem 0; padding: 0.75rem; background: #f8fafc; border-radius: 6px; }
  </style>
</head>
<body>

  <h1>JavaScript &amp; ASCII</h1>
  <p>Open the browser console or read the output below.</p>

  <output id="out"></output>

  <script>
    var letter = "A";
    var code = letter.charCodeAt(0);
    var back = String.fromCharCode(65);

    var lines = [
      "charCodeAt('A') = " + code,
      "String.fromCharCode(65) = '" + back + "'",
      "'a'.charCodeAt(0) = " + "a".charCodeAt(0),
      "String.fromCharCode(9) = tab (HT, code 9)"
    ];

    document.getElementById("out").textContent = lines.join("\n");
    console.log(lines.join("\n"));
  </script>

</body>
</html>

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ASCII Table — JavaScript charCodeAt