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<!DOCTYPE html>
<html lang=en>
<head>
  <meta charset=utf-8>
  <title>Evil — single n</title>
</head>
<body>
  <h1>Single evil check</h1>
  <p>Edit <code>number</code>, then <strong>Run</strong>.</p>
  <pre id=out></pre>
  <script>!function(){var e;Number.isSafeInteger(15)?e=function(e){for(var t=0,n=e>>>0;0!==n;)t+=n&,n>>>=1;return t}(15)%2==0?"15 is an Evil Number.":"15 is not an Evil Number.":e="Use a JavaScript safe integer.",document.getElementById("out").textContent=e}()</script>
</body>
</html>

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