The clz32() function of the Math object returns the number of zero bits in the starting of the 32-bit binary representation of a number.
Syntax
Its Syntax is as follows
Math.clz32(31)
Example
<html>
<head>
<title>JavaScript Example</title>
</head>
<body>
<script type="text/javascript">
var result = Math.clz32(31);
document.write("Result: "+result);
</script>
</body>
</html>Output
Result: 27