Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Chrome 123
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Lodash cloneDeep 501200.3 Ops/sec
Native map deep slice(turns objects into arrays) 7039159.0 Ops/sec
Native JSON parse 668212.0 Ops/sec
Native map deep slice at 0(turns objects into arrays) 7008319.0 Ops/sec
Native map(shallow clone) 13045375.0 Ops/sec
Recursive deep clone 455095.9 Ops/sec
Map deep clone 503461.0 Ops/sec
Object.assign shallow clone 7438942.5 Ops/sec
structuredClone 375279.7 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