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  <title>Armstrong range 1–200</title>
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  <h1>Armstrong numbers 1 to 200</h1>
  <p>Change <code>start</code> / <code>end</code> if you like, then <strong>Run</strong>.</p>
  <pre id=out></pre>
  <script>!function(){function n(n,r){for(var t=1,o=0;o<r;o++)t*=n;return t}function r(r){if(r<=0)return!1;for(var t=0,o=r;o>0;)t++,o=o/10|0;o=r;for(var e=0;o>0;){e+=n(o%10,t),o=o/10|0}return e===r}for(var t=[],o=1;o<=200;o++)r(o)&&t.push(String(o));document.getElementById("out").textContent="Armstrong numbers in the range 1 to 200\n"+t.join(" ")}()</script>
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JavaScript Armstrong — Range 1–200 (Try It)