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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser: Chrome 127

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

ES6 spread

4.0M/s

Lodash cloneDeep

317K/s

View exact numbers

Test name	Executions per second
✓ ES6 spread	4,014,582 Ops/sec
Lodash cloneDeep	317,105 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] } } };