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Run results for: Object cloning with Lodash clone vs cloneDeep vs merge vs ES6 object spread vs ES6 Object.assign vs Clone

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Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0
Firefox 91
Linux
Desktop
3 years ago
Test name Executions per second
Lodash cloneDeep 139686.7 Ops/sec
Clone 77917.9 Ops/sec
JSON 297258.4 Ops/sec
HTML Preparation code:
AخA
 
1
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
2
<script src='https://unpkg.com/clone@2.1.2/clone.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)

  • Clone

     
    const a = clone(o)

  • JSON

     
    const a = JSON.parse(JSON.stringify(o))