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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.6.1

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Ramda merge	5208740.0 Ops/sec
object.assign	7839511.0 Ops/sec
spread	9859033.0 Ops/sec

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

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

Ramda merge

object.assign

spread