Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 Edg/123.0.0.0
Chrome 123
Windows
Desktop
2 years ago
Test name Executions per second
Lodash cloneDeep 189130.1 Ops/sec
Native map deep slice(turns objects into arrays) 2268870.2 Ops/sec
Native JSON parse 224060.5 Ops/sec
Native map deep slice at 0(turns objects into arrays) 1921826.5 Ops/sec
Native map(shallow clone) 3493211.2 Ops/sec
Recursive deep clone 130041.1 Ops/sec
Map deep clone 127768.1 Ops/sec
Object.assign shallow clone 2180312.0 Ops/sec
structuredClone 122438.6 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