isPowerOfTwo javascript Code Snippet in 2024
mathbeginner
Last Updated: 28 December 2024
Checks if the given number is a power of 2.
- Use the bitwise binary AND operator (
&) to determine ifnis a power of2. - Additionally, check that
nis not falsy.
const isPowerOfTwo = n => !!n && (n & (n - 1)) == 0;
isPowerOfTwo(0); // false
isPowerOfTwo(1); // true
isPowerOfTwo(8); // truejavascript snippet similar to isPowerOfTwo For You in December 2024
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