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  <title>Decimal to binary — MSB</title>
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  <h1>32-bit unsigned scan</h1>
  <p>Uses <code>(u &gt;&gt;&gt; b) &amp; 1</code>. Then <strong>Run</strong>.</p>
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  <script>!function(){function n(n){var r=n>>>0;if(0===r)return"0";var t,a=!1,e="";for(t=31;t>=0;t--){var o=r>>>t&(o||a)&&(e+=o?"1":"0",a=!0)}return e}var r=[];r.push("15 as binary: "+n(15)),r.push("64 as binary: "+n(64)),document.getElementById("out").textContent=r.join(String.fromCharCode(10))}()</script>
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JavaScript Decimal to Binary — MSB scan (Try It)