JavaScript clz32() method

Definition and usage

clz32() The method is an abbreviation of CountLeadingZeroes32, which returns the number of leading zeros in the 32-bit binary representation of a number.

Example

Returns the number of leading zeros in the 32-bit binary representation of different numbers:

var a = Math.clz32(0);
var b = Math.clz32(1);
var c = Math.clz32(2);
var d = Math.clz32(4);

Try it yourself

Syntax

Math.clz32(x)

Parameter value

Parameter Description
x Required. Number.

Technical details

Return value:

The number of leading zeros in the 32-bit binary representation of the number.

If the number is 0, this method returns 32 (because all bits are 0).
JavaScript version: ECMAScript 2015

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Lärobok:JavaScript matematik