Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Chrome 138
Mac OS X 10.15.7
Desktop
9 months ago
Test name Executions per second
Lodash cloneDeep 551834.5 Ops/sec
Native map deep slice(turns objects into arrays) 12763754.0 Ops/sec
Native JSON parse 994245.4 Ops/sec
Native map deep slice at 0(turns objects into arrays) 12937140.0 Ops/sec
Native map(shallow clone) 14656198.0 Ops/sec
Recursive deep clone 2691402.2 Ops/sec
Map deep clone 2874884.5 Ops/sec
Object.assign shallow clone 13817806.0 Ops/sec
structuredClone 473453.0 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