Run results for: lodash flatmap

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.86 YaBrowser/20.8.0.893 Yowser/2.5 Safari/537.36

Browser: Yandex Browser 20

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
lodash.flatMap	2531399.5 Ops/sec
native	1607598.5 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>

Script Preparation code:

var x = [1,2,3]

Array.prototype.flatMap = function(f) {
  return [].concat(...this.map(f))
}

Tests:

lodash.flatMap
_.flatMap(x,x => [x-1, x, x+1])
native
x.flatMap(x => [x-1, x, x+1])

Run results for: lodash flatmap

lodash.flatMap

native