Run results for: array[index] vs array.at(index)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

array.at(-1)

203.6M/s

array[array.length - 1]

203.1M/s

View exact numbers

Test name	Executions per second
✓ array.at(-1)	203,573,744 Ops/sec
array[array.length - 1]	203,063,216 Ops/sec

Script Preparation code:

var array = [1,2,3];

Tests: