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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

bracket notation

1856.2M/s

1265.8M/s

View exact numbers

Test name	Executions per second
✓ bracket notation	1,856,198,528 Ops/sec
at	1,265,767,808 Ops/sec

Script Preparation code:

  const LENGTH = 10000;

  var arr = new Array(LENGTH);

  for (let i = 0; i < LENGTH; i++) {
    arr[i] = i * 5;
  }

Tests: