Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Chrome 122
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Lodash cloneDeep 488300.9 Ops/sec
Native map deep slice(turns objects into arrays) 6882285.0 Ops/sec
Native JSON parse 649545.4 Ops/sec
Native map deep slice at 0(turns objects into arrays) 6924101.5 Ops/sec
Native map(shallow clone) 12670883.0 Ops/sec
Recursive deep clone 442463.2 Ops/sec
Map deep clone 424062.4 Ops/sec
Object.assign shallow clone 7626316.0 Ops/sec
structuredClone 373469.4 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

  • structuredClone