Run results for: array[array.length - 1] vs array.at(-1) 3

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

array.at(-1)

15.7M/s

array[array.length - 1]

8.6M/s

View exact numbers

Test name	Executions per second
✓ array.at(-1)	15,673,484 Ops/sec
array[array.length - 1]	8,591,219 Ops/sec

Script Preparation code:

var array = [1,2,3,2,3,2,3,2,3,2,3,2,3,2,3,2,3,2,3,2,3,2,3,2,3,2,3,2,3,2,3,2,3];

Tests: