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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JS Alphabet Pattern 4 - Try It (slice)</title>
</head>
<body>
  <h1>Reverse Alphabet Triangle (slice + reverse)</h1>
  <p>Edit <code>rows</code> and click Run.</p>
  <pre id="output"></pre>
  <script>
    const rows = 5;
    const clampedRows = Math.max(1, Math.min(rows, 26));
    const letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    let result = "";

    for (let i = 0; i < clampedRows; i++) {
      result += letters.slice(0, i + 1).split("").reverse().join("") + "\n";
    }

    document.getElementById("output").textContent = result;
  </script>
</body>
</html>

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JavaScript Alphabet Pattern 4 (Try It — Slice Reverse)