Run results for: lodash flatmap vs Vanilla flatmap 3

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Vanilla js flatmap	4145477.2 Ops/sec
lodash.flatMap	4820324.5 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js"></script>

Script Preparation code:

var x = [{a: 1, b: 2}, [{a: 736457, b: 35345},[{a: 76457, b: 5345},{a: 23431, b: 43242},{a: 14324, b: 2342},{a: 141, b: 65432}],{a: 234311, b: -43242},{a: 124324, b: 23432},{a: 31, b: 234234432}],{a: 11, b: 22}, {a: 421, b: 112}, [{a: 76457, b: 5345},{a: 23431, b: 43242},{a: 14324, b: 2342},{a: 141, b: 65432}]]

Tests:

Vanilla js flatmap
x.flatMap(x => x.a+x.b)
lodash.flatMap
_.flatMap(x,x => x.a+x.b)

Run results for: lodash flatmap vs Vanilla flatmap 3

Vanilla js flatmap

lodash.flatMap