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JavaScript Operator: bitwise left shift

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In JavaScript, the << operator is the bitwise left shift operator.

 

For example, 6 << 2 in binary notation is 110 shifted 2 bits to the left so is 11000, i.e. 24 in decimal notation.

 

EXAMPLE:


HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head>
<style>table,th,tr,td {border: 1px solid black;
  border-collapse: collapse;}</style>
</head>
<body>
<table>
<tr>
<th>Example</th>
<th>Resulting value of <code>x</code></th>
</tr>
<tr>
<td><code id="Example"</code></td>
<td><code id="Result"</code></td>
</tr>
</table>

<script>
document.getElementById("Example").innerHTML =
  'var x = 6 &lt;&lt; 2;';
document.getElementById("Result").innerHTML = 6 << 2;
</script>

</body>
</html>


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