Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0
Firefox 134
Ubuntu
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 287476.7 Ops/sec
Native map deep slice(turns objects into arrays) 17483744.0 Ops/sec
Native JSON parse 506731.9 Ops/sec
Native map deep slice at 0(turns objects into arrays) 15721247.0 Ops/sec
Native map(shallow clone) 30098062.0 Ops/sec
Recursive deep clone 1690300.9 Ops/sec
Map deep clone 726256.7 Ops/sec
Object.assign shallow clone 42621100.0 Ops/sec
structuredClone 350994.5 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

  • structuredClone