how do you show an exponent in javascript code example

Example 1: javascript squared

//squared numbers

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

Example 2: exponent javascript

Math.pow(base, exposant);
// if (math.pow(4,3)
//do (4*4*4)
//output:64