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<!DOCTYPE html>
<html lang=en>
<head>
  <meta charset=utf-8>
  <title>Natural numbers range</title>
</head>
<body>
  <h1>Natural numbers in range</h1>
  <p>Edit range and click <strong>Run</strong>.</p>
  <pre id=out></pre>
  <script>!function(){var n=[];n.push("Natural numbers in the range 1 to 10:"),n.push(function(n,t){var e,u=[];for(e=n;e<=t;e++)e>0&&u.push(String(e));return u}(1,10).join(" ")),document.getElementById("out").textContent=n.join("\n")}()</script>
</body>
</html>

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JavaScript Natural Number — Range 1 to 10 (Try It)