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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36 OPR/102.0.0.0

Browser: Opera 102

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
at	28550178.0 Ops/sec
bracket notation	28451376.0 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: