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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_7_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 16

Operating system: iOS 16.7.1

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
array[array.length - 1]	5445711.0 Ops/sec
array.at(-1)	10013930.0 Ops/sec

Script Preparation code:

var array = [1,2,3];

Tests: