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<head>
  <meta charset="utf-8">
  <title>JS Number Pattern 10 - Try It (String.repeat)</title>
</head>
<body>
  <h1>Descending Repeating Number Triangle (String.repeat)</h1>
  <p>Edit <code>rows</code> and click Run.</p>
  <pre id="output"></pre>
  <script>
    const rows = 5;
    let result = "";
    for (let i = rows; i >= 1; i--) {
      result += String(i).repeat(rows - i + 1) + "\n";
    }
    document.getElementById("output").textContent = result;
  </script>
</body>
</html>

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JavaScript Number Pattern 10 (Try It — String.repeat)