Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36
Chrome 140
Windows
Desktop
7 months ago
Test name Executions per second
Lodash cloneDeep 274849.5 Ops/sec
Native map deep slice(turns objects into arrays) 5752737.5 Ops/sec
Native JSON parse 464872.0 Ops/sec
Native map deep slice at 0(turns objects into arrays) 5815415.0 Ops/sec
Native map(shallow clone) 6648478.5 Ops/sec
Recursive deep clone 1580847.8 Ops/sec
Map deep clone 1625867.2 Ops/sec
Object.assign shallow clone 6242699.5 Ops/sec
structuredClone 190961.2 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