exponent.js

// looping variant
var power = function(base, exponent) {
  var result = 1;
  for (var count = 0; count < exponent; count++)
    result *= base;
  return result;
};
console.log(power(2, 10));
// recursive way (MUCH MUCH slower)

function power2(base, exponent) {
  if (exponent == 0) {
    return 1;
  }else {
  return base * power(base, exponent - 1);
  }
}