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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JS Number Pattern 23 - Try It</title>
</head>
<body>
  <h1>Number + Asterisks Pattern</h1>
  <p>Edit <code>size</code> and click Run.</p>
  <pre id="output"></pre>

  <script>
    const size = 5;
    let result = "";

    for (let i = size; i >= 1; i--) {
      let line = "";

      for (let j = 1; j <= i; j++) {
        line += j;
      }

      for (let k = i; k < size; k++) {
        line += "**";
      }

      for (let m = i; m >= 1; m--) {
        line += m;
      }

      result += line + "\n";
    }

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

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JavaScript Number Pattern 23 (Try It)