Run results for: reduce.concat() vs flat() - 2lvl only

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36

Browser: Chrome 95

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
reduce + Array.prototype.concat 2lvl	5818049.5 Ops/sec
Array.prototype.flat 2lvl	941407.1 Ops/sec

Tests:

reduce + Array.prototype.concat 2lvl
var params = [[ 1, 2 ], [ "hello", true, 7 ]]; var other = params.reduce((acc, val) => acc.concat(val), []);
Array.prototype.flat 2lvl
var params = [[1, 2, params], [ "hello", true, 7 ]]; var other = params.flat(2);