function reverseString(input) { var output = ""; for(var i = input.length - 1; i >= 0; i--) { output += input[i]; } return output; }
function average(nums) { return nums.reduce((a, b) => (a + b)) / nums.length; }
let count = 10000; console.time('Total time') for (let i = 0; i < count; ++i) { setTimeout(() => { if (--count === 0) { console.timeEnd('Total time') } }, i / 10); // Set 10 timeouts for each millisecond }