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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/141.0 Mobile/15E148 Safari/605.1.15

Browser: Mobile Safari 18

Operating system: iOS 18.5

Device Platform: Mobile

Date tested: one year ago

array[array.length - 1]

576.1M/s

array.at(-1)

543.7M/s

View exact numbers

Test name	Executions per second
✓ array[array.length - 1]	576,073,664 Ops/sec
array.at(-1)	543,714,112 Ops/sec

Script Preparation code:

var array = [1,2,3];

Tests: