Run results for: array[array.length - 1] vs array.at(-1)

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 127

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

array.at(-1)

4.9M/s

array[array.length - 1]

2.8M/s

View exact numbers

Test name	Executions per second
✓ array.at(-1)	4,909,801 Ops/sec
array[array.length - 1]	2,834,065 Ops/sec

Script Preparation code:

var array = [1,2,3];

Tests: