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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 10 months ago

Test name	Executions per second
array[index]	5.3 Ops/sec
array.pop()	4.7 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); }