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<!DOCTYPE html>
<html lang=en>
<head>
  <meta charset=utf-8>
  <title>Palindrome range</title>
</head>
<body>
  <h1>Palindrome numbers in range 100 to 200</h1>
  <pre id=out></pre>
  <script>!function(){function n(n){for(var t=n,o=0;0!==n;)o=10*o+n%10,n=Math.floor(n/10);return t===o}var t,o=[],e=[];for(t=100;t<=200;t++)n(t)&&e.push(String(t));o.push("Palindrome numbers in the range 100 to 200:"),o.push(e.join(" ")),document.getElementById("out").textContent=o.join("\n")}()</script>
</body>
</html>

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JavaScript Palindrome Number — Range 100 to 200 (Try It)