how to square number in javascript code example

Example 1: root of any number javascript

let n = 64;
let root = 6;
Math.pow(n, 1/root);
//output 2;

Example 2: how to square a value in javascript

// Use Math.pow(a,b); where a is your value and b is the exponent
var num = Math.pow(4, 2);
//num returns 16