Run results for: Object cloning with Lodash cloneDeep vs ES6 object spread

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.183 Safari/537.36

Browser: Chrome 86

Operating system: Mac OS X 10.15.1

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Lodash cloneDeep	262038.2 Ops/sec
ES6 spread	3338224.2 Ops/sec

HTML Preparation code:

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

Script Preparation code:

var o = {
 a: {
   b: 1,
   c: 2,
   d: 3,
   j: {
     k: [1,2,3],
     l: [4,5,6]
   },
 },
 e: [1,2,3,4,5,6],
 f: 1,
 g: {
   h: 1,
 }
}

Tests:

Lodash cloneDeep
const a = _.cloneDeep(o)
ES6 spread
const a = { ...o, a: { ...o.a, j: { ...o.a.j, k: [...o.a.j.k] } } };

Run results for: Object cloning with Lodash cloneDeep vs ES6 object spread

Lodash cloneDeep

ES6 spread