Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0
Firefox 89
Windows
Desktop
2 years ago
Test name Executions per second
Lodash cloneDeep 160394.0 Ops/sec
Native map deep slice(turns objects into arrays) 6682622.0 Ops/sec
Native JSON parse 322201.3 Ops/sec
Native map deep slice at 0(turns objects into arrays) 6655822.0 Ops/sec
Native map(shallow clone) 11039170.0 Ops/sec
Recursive deep clone 766218.3 Ops/sec
Map deep clone 715757.8 Ops/sec
Object.assign shallow clone 19367300.0 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