Run results for: Array pop vs at

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6.1 Mobile/20G81 Safari/604.1

Browser: Mobile Safari 16

Operating system: iOS 16.6.1

Device Platform: Mobile

Date tested: one year ago

Benchmark engine: Benchmark.js

pop

2.2M/s

2.1M/s

View exact numbers

Test name	Executions per second
✓ pop	2,194,185 Ops/sec
at	2,118,814 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.at(-1);
}

Tests:

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

Run results for: Array pop vs at

Comparing pop-push method vs last index check for an array element

pop

at