ardalanamini

/**
 * Finds the performance for a given function
 * function fn the function to be executed
 * int n the amount of times to repeat
 * return array [time for n iterations, average execution frequency (executions per second)]
 */
const getPerf = (fn, n)  =>{
  let start = new Date().getTime()

  for (let i = 0; i < n; i++) fn(i)