Run results for: Array pop vs at

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

701.4M/s

pop

92.2M/s

View exact numbers

Test name	Executions per second
✓ at	701,398,848 Ops/sec
pop	92,214,576 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