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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36

Browser: Chrome 87

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
reduce	2745866.0 Ops/sec
flat	881969.8 Ops/sec

Script Preparation code:

var params = [[ 1, 2 ], [ "hello", true, 7 ]];

Tests: