Run results for: Lodash vs Lodash FP vs Immer

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; Pixel 5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.101 Mobile Safari/537.36

Browser: Chrome Mobile 87

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Lodash FP	389183.3 Ops/sec
Native	724330.6 Ops/sec
Immer	58263.6 Ops/sec

HTML Preparation code:

<script src='https://cdn.jsdelivr.net/lodash/4.17.4/lodash.fp.min.js'></script>
<script src="https://cdn.jsdelivr.net/npm/immer/dist/immer.umd.js"></script>

Script Preparation code:


var array =  ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
var reducer = (r, x) => r + x

Tests:

Lodash FP
_.reduce(reducer, '')(array)
Native
array.reduce(reducer, '')
Immer
immer.produce(array, reducer)

Run results for: Lodash vs Lodash FP vs Immer

Lodash FP

Native

Immer