Run results for: Arrray.reduce + spread vs Array.flat

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.85 YaBrowser/21.11.0.2054 Yowser/2.5 Safari/537.36

Browser: Yandex Browser 21

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Array.reduce + spread	8735666.0 Ops/sec
Array.flat	703172.4 Ops/sec

Tests:

Array.reduce + spread
var params = [[ 1, 2 ], [ "hello", true, 7 ]]; var other = params.reduce((acc, curr) => [...acc, ...curr], []);
Array.flat
var params = [[1, 2, params], [ "hello", true, 7 ]]; var other = params.flat();

Run results for: Arrray.reduce + spread vs Array.flat

Array.reduce + spread

Array.flat