| category | created | title | updated |
|---|---|---|---|
Validator |
2020-04-19 |
Check if a number is a power of 2 |
2021-10-13 |
JavaScript version
const isPowerOfTwo = (n) => (n & (n - 1)) === 0;TypeScript version
const isPowerOfTwo = (n: number): boolean => (n & (n - 1)) === 0;Examples
isPowerOfTwo(256); // true
isPowerOfTwo(129); // false