Run results for: quicksort for vs while

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.96 Safari/537.36

Browser: Chrome 58

Operating system: Mac OS X 10.11.6

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
for	284696.6 Ops/sec
while	137023.1 Ops/sec

Tests:

for
let testArray = [1,3,1,2,31,23,5,6,8] function quickSort(arr){ if(arr.length <= 1) return arr const pivot = arr[arr.length - 1] let left = [] let right = [] for(let i = 0; i < arr.length-1; i++){ if (arr[i] < pivot) { left.push(arr[i]) } else { right.push(arr[i]) } } return [].concat(quickSort(left),pivot,quickSort(right)) } quickSort(testArray)
while
let testArray = [1,3,1,2,31,23,5,6,8] function quickSort(arr){ if(arr.length <= 1) return arr const pivot = arr.pop() let left = [] let right = [] while(arr[0]){ if (arr[0] < pivot) { left.push(arr.shift()) } else { right.push(arr.shift()) } } return [].concat(quickSort(left),pivot,quickSort(right)) } quickSort(testArray)