MeasureThat.net

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

Test access speed

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Chrome 123
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Test length 13114113.0 Ops/sec
Test at 23790740.0 Ops/sec
Script Preparation code:
AخA
 
var data = Array(1000000).fill({ filtering: true, mapping: 42 });
Tests:

  • Test length

     
    data[data.length - 1]

  • Test at

     
    data.at(-1)