function square in js code example

Example 1: 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

Example 2: square root javascript

console.log(Math.sqrt(4));     // 2
console.log(Math.sqrt(16));    // 4
console.log(Math.sqrt(64));    // 8
console.log(Math.sqrt(100));   // 10