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 lodash cloneDeep vs. JSON.parse(JSON.stringify()) vs. recursiveDeepClone vs fastest-json-copy vs structuredClone | On a large object (version: 0)

Comparing performance of: lodash cloneDeep vs JSON.parse(JSON.stringify()) vs recursiveDeepCopy vs fastest-json-copy npm package vs rfdc vs structuredClone

Created: 8 months ago by: Registered User
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HTML Preparation code:
Script Preparation code:
Tests:

  • lodash cloneDeep

  • JSON.parse(JSON.stringify())

  • recursiveDeepCopy

  • fastest-json-copy npm package

  • rfdc

  • structuredClone

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    lodash cloneDeep
    JSON.parse(JSON.stringify())
    recursiveDeepCopy
    fastest-json-copy npm package
    rfdc
    structuredClone

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 8 months ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.3 Safari/605.1.15
Safari 17 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
lodash cloneDeep 20.9 Ops/sec
JSON.parse(JSON.stringify()) 19.2 Ops/sec
recursiveDeepCopy 43.1 Ops/sec
fastest-json-copy npm package 28.0 Ops/sec
rfdc 26.6 Ops/sec
structuredClone 46.7 Ops/sec
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