Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.129 Safari/537.36
Chrome 81
Mac OS X 10.13.6
Desktop
4 years ago
Test name Executions per second
Lodash cloneDeep 129996.3 Ops/sec
Native map deep slice(turns objects into arrays) 1601217.0 Ops/sec
Native JSON parse 113259.6 Ops/sec
Native map deep slice at 0(turns objects into arrays) 1508660.0 Ops/sec
Native map(shallow clone) 3363405.0 Ops/sec
Recursive deep clone 98166.2 Ops/sec
Map deep clone 128780.9 Ops/sec
Object.assign shallow clone 2061163.0 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