Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:122.0) Gecko/20100101 Firefox/122.0
Firefox 122
Linux
Desktop
2 years ago
Test name Executions per second
Lodash cloneDeep 285948.3 Ops/sec
Native map deep slice(turns objects into arrays) 16126846.0 Ops/sec
Native JSON parse 519001.9 Ops/sec
Native map deep slice at 0(turns objects into arrays) 14726533.0 Ops/sec
Native map(shallow clone) 39777412.0 Ops/sec
Recursive deep clone 3374298.0 Ops/sec
Map deep clone 3375552.8 Ops/sec
Object.assign shallow clone 46320452.0 Ops/sec
structuredClone 383437.3 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