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Run results for: Object cloning with Lodash clone vs cloneDeep vs merge vs structuredClone vs JSON.parse(JSON.stringify(o)) 2

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Safari/605.1.15
Safari 16
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Lodash clone 3618986.8 Ops/sec
Lodash cloneDeep 388871.4 Ops/sec
JSON.parse(JSON.stringify(o)) 1018388.1 Ops/sec
structuredClone 421499.7 Ops/sec
HTML Preparation code:
AخA
 
1
<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 clone

     
    const a = _.clone(o)

  • Lodash cloneDeep

     
    const a = _.cloneDeep(o)

  • JSON.parse(JSON.stringify(o))

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

  • structuredClone

     
    const a = structuredClone(o)