Run results for: array.pop vs array[index]

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

array.pop()

15/s

array[index]

15/s

View exact numbers

Test name	Executions per second
✓ array.pop()	15 Ops/sec
array[index]	15 Ops/sec

Script Preparation code:

window.bigArray = (new Array(10000)).fill(null).map((el, index) => index);

Tests:

array[index]
for(let index = 0; index < 10000; index ++) { const current = bigArray[index]; console.log(current); }
array.pop()
for(let index = 0; index < 10000; index ++) { const current = bigArray.pop(); console.log(current); }