Benchmark: reduce.concat() vs flat(1)

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(1);

Rendered benchmark preparation results:

Previous results

Test case name	Result
reduce + Array.prototype.concat
Array.prototype.flat

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36

Browser/OS: Chrome 87 on Windows

Test name	Executions per second
reduce + Array.prototype.concat	2855952.0 Ops/sec
Array.prototype.flat	599191.7 Ops/sec

reduce.concat() vs flat(1) (version: 0)