Run results for: .flatMap vs .map.flat

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 Edg/117.0.2045.36

Browser: Chrome 117

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Test flatMap	14.8 Ops/sec
Test map/flat	14.7 Ops/sec

Script Preparation code:

var arr = new Array(100000).fill(1);

Tests:

Test flatMap
arr.flatMap(() => [1, 2, [3, 4, true, "another", [{name:"first", age: 24, pref: {shows: ["rick and morty", "adventure time"]} }, {name:"second", age: 24, pref: {shows: ["the orville", "black mirror"]} }]]]);
Test map/flat
arr.map(() => [1, 2, [3, 4, true, "another", [{name:"first", age: 24, pref: {shows: ["rick and morty", "adventure time"]} }, {name:"second", age: 24, pref: {shows: ["the orville", "black mirror"]} }]]]).flat();