Run results for: reduce.concat() vs reduce + destructure vs flat()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36

Browser: Chrome 99

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
reduce + Array.prototype.concat	2430857.0 Ops/sec
Array.prototype.flat	703831.2 Ops/sec
reduce + destructure	3644162.0 Ops/sec

Tests:

reduce + Array.prototype.concat
var params = [[ 1, 2 ], [ "hello", true, 7 ], [null, undefined, {}]]; var other = params.reduce((acc, val) => acc.concat(val), []);
Array.prototype.flat
var params = [[ 1, 2 ], [ "hello", true, 7 ], [null, undefined, {}]]; var other = params.flat();
reduce + destructure
var params = [[ 1, 2 ], [ "hello", true, 7 ], [null, undefined, {}]]; var other = params.reduce((acc, curr) => [...acc, ...curr], []);