how to write power function in javascript code example

Example 1: javascript squared

//squared numbers

Math.pow(x1, 2)
x1 * x1
x1 ** 2                  // ES6 syntax

Example 2: js pow

Math.pow(base, exponent);

Math.pow(2, 4);
// Outputs 16
// The same as going 2^4, 2 to the power of 4