Run results for: Map vs For Loop

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0 Waterfox/56.6.2021.10

Browser: Firefox 68

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Map	41.3 Ops/sec
For Loop	37.4 Ops/sec

Script Preparation code:

var a = new Array(1e6);
for (var i = 0; i < 1e6; i++) {
  a[i] = Math.random();
}

Tests: