Run results for: ramda merge.all vs object.assign vs spread

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

spread

29.9M/s

object.assign

11.4M/s

Ramda merge

4.2M/s

View exact numbers

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/ramda/0.26.1/ramda.min.js'></script>

Tests:

Ramda merge
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = { b: 'hello' }; var d = R.mergeAll(a, b, c);
object.assign
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = { b: 'hello' }; var d = Object.assign(a, b, c);
spread
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = { b: 'hello' }; var c = { ...a, ...b, ...c };