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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

array.at(-1)

14.7M/s

array[array.length - 1]

7.5M/s

View exact numbers

Test name	Executions per second
✓ array.at(-1)	14,707,420 Ops/sec
array[array.length - 1]	7,496,976 Ops/sec

Script Preparation code:

var array = [1,2,3];

Tests: