Run results for: Lodash cloneDeep vs Lodash clone vs Array.slice() vs. Object.assign()

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/112.0.5615.70 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 112

Operating system: iOS 16.4

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Lodash cloneDeep	1534137.0 Ops/sec
Lodash clone	7814589.0 Ops/sec
Array.slice()	21911660.0 Ops/sec
Object.assign()	3877552.0 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.20/lodash.min.js'></script>

Script Preparation code:

var arr = ['one', 'two', 'three', {four: 'five'}];

Tests:

Lodash cloneDeep
var myCopy = _.cloneDeep(arr)
Lodash clone
var myCopy = _.clone(arr)
Array.slice()
var myCopy = arr.slice()
Object.assign()
var myCopy = Object.assign([], arr)

Run results for: Lodash cloneDeep vs Lodash clone vs Array.slice() vs. Object.assign()

For times when a shallow copy is needed, what is the performance difference between these 3 methods.

Lodash cloneDeep

Lodash clone

Array.slice()

Object.assign()