Run details:
Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36
Chrome 87
Windows Vista
Desktop
2 years ago
Test name Executions per second
Lodash cloneDeep 36318.0 Ops/sec
Native map deep slice(turns objects into arrays) 366459.7 Ops/sec
Native JSON parse 24153.9 Ops/sec
Native map deep slice at 0(turns objects into arrays) 382547.9 Ops/sec
Native map(shallow clone) 818124.3 Ops/sec
Recursive deep clone 28427.0 Ops/sec
Map deep clone 29866.6 Ops/sec
Object.assign shallow clone 425576.9 Ops/sec
structuredClone 21391.2 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