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  <title>Evil — range</title>
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  <h1>Evils from 1 to 10</h1>
  <p>Edit <code>start</code> / <code>end</code>, then <strong>Run</strong>.</p>
  <pre id=out></pre>
  <script>!function(){function t(t){for(var n=0;t>0;)t%2==1&&n++,t=Math.floor(t/2);return n%2==0}var n=[];n.push("Evil numbers in the range 1 to 10:");for(var r="",o=1;o<=10;o++)t(o)&&(r+=o+" ");n.push(r.trim()),document.getElementById("out").textContent=n.join(String.fromCharCode(10))}()</script>
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JavaScript Evil Number — Range 1 to 10 (Try It)