Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36
Chrome 141
Windows
Desktop
6 months ago
Test name Executions per second
Lodash cloneDeep 261372.8 Ops/sec
Native map deep slice(turns objects into arrays) 6095188.5 Ops/sec
Native JSON parse 473297.2 Ops/sec
Native map deep slice at 0(turns objects into arrays) 6267877.0 Ops/sec
Native map(shallow clone) 7210011.0 Ops/sec
Recursive deep clone 1617563.0 Ops/sec
Map deep clone 1682236.9 Ops/sec
Object.assign shallow clone 6775336.5 Ops/sec
structuredClone 202342.6 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