Run results for: map filter vs reduce concat

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36

Browser: Chrome 83

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
.map.filter	2821.5 Ops/sec
.reduce	1.9 Ops/sec

Script Preparation code:

var arr = [];
for (var i = 0; i < 12345; i++) {
    arr[i] = i > 2 ? 1 : i
}

Tests: