Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:125.0) Gecko/20100101 Firefox/125.0
Firefox 125
Linux
Desktop
2 years ago
Test name Executions per second
Lodash cloneDeep 221294.0 Ops/sec
Native map deep slice(turns objects into arrays) 12023249.0 Ops/sec
Native JSON parse 332368.9 Ops/sec
Native map deep slice at 0(turns objects into arrays) 10657712.0 Ops/sec
Native map(shallow clone) 21257434.0 Ops/sec
Recursive deep clone 1758016.1 Ops/sec
Map deep clone 1767646.6 Ops/sec
Object.assign shallow clone 20662836.0 Ops/sec
structuredClone 203961.3 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