JS: Power and Roots

Power and Roots

Math.pow(x, y)

x raised to the power of y.

🛑 WARNING: does not support bigint.

console.log(Math.pow(2, 3));
// 8

// the ** operator supports bigint
console.log(3n ** 2n);
// 9n

// Math.pow() does not support bigint
try {
 Math.pow(3n, 2n);
} catch (xerr) {
 console.log(xerr);
}
// TypeError: Cannot convert a BigInt value to a number

Math.sqrt(x)

Square root.

console.log(Math.sqrt(4));
// 2

console.log(Math.sqrt(9));
// 3

Math.cbrt(x)

(new in ECMAScript 2015)

Cube root.

console.log(Math.cbrt(8));
// 2

console.log(Math.cbrt(27));
// 3

To compute nth root, use Math.pow(x, 1/n).