Run details:
Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:84.0) Gecko/20100101 Firefox/84.0
Firefox 84
Fedora
Desktop
3 years ago
Test name Executions per second
Lodash cloneDeep 69656.7 Ops/sec
Native map deep slice(turns objects into arrays) 4409812.0 Ops/sec
Native JSON parse 109186.7 Ops/sec
Native map deep slice at 0(turns objects into arrays) 4253257.0 Ops/sec
Native map(shallow clone) 10580470.0 Ops/sec
Recursive deep clone 270583.3 Ops/sec
Map deep clone 273293.2 Ops/sec
Object.assign shallow clone 5502897.0 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