Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:72.0) Gecko/20100101 Firefox/72.0
Firefox 72
Mac OS X 10.15
Desktop
4 years ago
Test name Executions per second
Lodash cloneDeep 101351.9 Ops/sec
Native map deep slice(turns objects into arrays) 8236778.5 Ops/sec
Native JSON parse 173804.5 Ops/sec
Native map deep slice at 0(turns objects into arrays) 7712628.0 Ops/sec
Native map(shallow clone) 30937332.0 Ops/sec
Recursive deep clone 612760.2 Ops/sec
Map deep clone 386169.5 Ops/sec
Object.assign shallow clone 12632640.0 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • Lodash cloneDeep

  • Native map deep slice(turns objects into arrays)

  • Native JSON parse

  • Native map deep slice at 0(turns objects into arrays)

  • Native map(shallow clone)

  • Recursive deep clone

  • Map deep clone

  • Object.assign shallow clone


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