Run results for: Array pop vs shift

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
pop	5623152.0 Ops/sec
at	5489785.0 Ops/sec

Script Preparation code:

var arr1 = [0,1,2,3,4,5,6,7,8,9];
var arr2 = [];

function getLastPop(arr) {
  return arr.pop();
}

function getLastAt(arr) {
  return arr.shift();
}

Tests:

pop
getLastPop(arr1); getLastPop(arr1); getLastPop(arr2);
at
getLastAt(arr1); getLastAt(arr1); getLastAt(arr2);

Run results for: Array pop vs shift

Comparing pop-push method vs shift for array element

pop

at