HTML Code

<!DOCTYPE html>
<html>
<head>
  <meta charset=utf-8>
  <title>JS Alphabet Pattern 19 - Try It</title>
</head>
<body>
  <h1>Mirrored halves with spaces</h1>
  <p>Edit the loops or change <code>top</code>, then click Run.</p>
  <pre id=output></pre>
  <script>(()=>{const t="A".charCodeAt(0),e="E".charCodeAt(0);let o="";for(let r=t;r<=e;r++){let n="";for(let o=t;o<=e;o++)n+=o<=r?String.fromCharCode(o):" ";let l="";for(let o=e;o>=t;o--)l+=o>r?" ":String.fromCharCode(o);o+=n+l+"\n"}document.getElementById("output").textContent=o})()</script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

JavaScript Alphabet Pattern 19 (Try It)