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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test at

28.8M/s

Test length

16.0M/s

View exact numbers

Test name	Executions per second
✓ Test at	28,831,622 Ops/sec
Test length	15,985,812 Ops/sec

Script Preparation code:

var data = Array(1000000).fill({ filtering: true, mapping: 42 });

Tests: