Run results for: JS Array[] vs Map.get()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:141.0) Gecko/20100101 Firefox/141.0

Browser: Firefox 141

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Array[]

1491.8M/s

Map.get

1470.3M/s

View exact numbers

Test name	Executions per second
✓ Array[]	1,491,786,112 Ops/sec
Map.get	1,470,328,960 Ops/sec

Script Preparation code:

var arr = new Array(2000);
var ms = new Map();
var i = 0;

while (i <= 2000) {
  arr[i] = i;
  ms.set(i, i);
  i++;
}

Tests: