Run results for: reduce concat vs apply concat

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 140

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Benchmark engine: Benchmark.js

concat.apply

4.1M/s

reduce concat

535K/s

View exact numbers

Test name	Executions per second
✓ concat.apply	4,116,158 Ops/sec
reduce concat	535,041 Ops/sec

Script Preparation code:

var params = [[ 1, 2 ], [ "hello", true, 7 ], {Code: "3", Message: "Какая-то ошибка"},{Code: "2", Message: "Какая-то ошибка"}, [{Code: "1212121212", Message: "то ошибкато ошиб"}]];

Tests:

reduce concat
var other = params.reduce(function(previousValue, currentValue) { return previousValue.concat(currentValue) }, []);
concat.apply
var other = params.concat.apply([], this);

Run results for: reduce concat vs apply concat

Array flat es5 syntax (reduce concat vs apply concat)

reduce concat

concat.apply