Benchmark: getItems(): flatMap() vs map() and flat()

Script Preparation code:

var arr = [];
var i = 0;

while (i <= 1E5) arr[i] = {
    num: [1, i++]
};

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
map().flat()
flatMap()

Latest run results:

Run details: (Test run date: 4 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:150.0) Gecko/20100101 Firefox/150.0

Browser/OS: Firefox 150 on Windows

flatMap()

190/s

map().flat()

185/s

View exact numbers

Test name	Executions per second
✓ flatMap()	190 Ops/sec
map().flat()	185 Ops/sec

getItems(): flatMap() vs map() and flat() (version: 1)