Run details:
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.131 Safari/537.36
Chrome 74
Windows 7
Desktop
4 years ago
Test name Executions per second
Lodash cloneDeep 127515.1 Ops/sec
Native map deep slice(turns objects into arrays) 1557755.0 Ops/sec
Native JSON parse 112248.8 Ops/sec
Native map deep slice at 0(turns objects into arrays) 1566314.0 Ops/sec
Native map(shallow clone) 2900393.0 Ops/sec
Recursive deep clone 111340.5 Ops/sec
Map deep clone 123303.0 Ops/sec
Object.assign shallow clone 1734476.0 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