HTML Code

<!DOCTYPE html>
<html>
<head>
  <meta charset=utf-8>
  <title>JS Number Pattern 24 - Try It (Browser)</title>
</head>
<body>
  <h1>Centered Incremental Number Pyramid (document.write)</h1>
  <p>Edit the width and click Run.</p>
  <script>for(var width=5,k=1,i=1;i<=width;i+=2){for(var j=width;j>=1;j--)j>i?document.write("&nbsp;&nbsp;"):document.write(k+++"&nbsp;");document.write("<br>")}</script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

JavaScript Number Pattern 24 (Try It — Browser)