Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36
Chrome 88
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
Lodash cloneDeep 198646.5 Ops/sec
Native map deep slice(turns objects into arrays) 2919796.0 Ops/sec
Native JSON parse 178095.8 Ops/sec
Native map deep slice at 0(turns objects into arrays) 2871523.0 Ops/sec
Native map(shallow clone) 5313885.0 Ops/sec
Recursive deep clone 154760.8 Ops/sec
Map deep clone 170057.0 Ops/sec
Object.assign shallow clone 2756436.0 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