Run results for: lodash merge vs object.assign vs spread new obj

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

spread

9.1M/s

object.assign

7.6M/s

lodash merge

1.5M/s

View exact numbers

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var a = { a: 'oh', b: 'my' };
var b = { c: 'goddess', d: 'a', e: 'b', j: { asd: 'test' } };

Tests: