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

Run details:

User agent: Mozilla/5.0 (Android 8.0.0; Mobile; rv:75.0) Gecko/75.0 Firefox/75.0

Browser: Firefox Mobile 75

Operating system: Android 8.0.0

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
reduce + Array.prototype.concat	574929.9 Ops/sec
Array.prototype.flat	855989.3 Ops/sec

Tests:

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