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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36

Browser: Chrome 140

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 7 months ago

Test name	Executions per second
at	280331872.0 Ops/sec
bracket notation	257133712.0 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: