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/117.0.0.0 Safari/537.36

Browser: Chrome 117

Operating system: Android

Device Platform: Desktop

Date tested: 2 years ago

array.at(-1)

4.3M/s

array[array.length - 1]

2.2M/s

View exact numbers

Test name	Executions per second
✓ array.at(-1)	4,342,448 Ops/sec
array[array.length - 1]	2,214,187 Ops/sec

Script Preparation code:

var array = [1,2,3];

Tests: