Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36
Chrome 140
Mac OS X 10.15.7
Desktop
6 months ago
Test name Executions per second
Lodash cloneDeep 669025.4 Ops/sec
Native map deep slice(turns objects into arrays) 15124789.0 Ops/sec
Native JSON parse 1157905.1 Ops/sec
Native map deep slice at 0(turns objects into arrays) 15084540.0 Ops/sec
Native map(shallow clone) 17110880.0 Ops/sec
Recursive deep clone 3350196.8 Ops/sec
Map deep clone 3556754.5 Ops/sec
Object.assign shallow clone 16198183.0 Ops/sec
structuredClone 542733.2 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