Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
Chrome 116
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Lodash cloneDeep 240577.4 Ops/sec
Native map deep slice(turns objects into arrays) 3656667.0 Ops/sec
Native JSON parse 269522.5 Ops/sec
Native map deep slice at 0(turns objects into arrays) 3667312.0 Ops/sec
Native map(shallow clone) 7143652.5 Ops/sec
Recursive deep clone 224872.6 Ops/sec
Map deep clone 240420.0 Ops/sec
Object.assign shallow clone 3937284.2 Ops/sec
structuredClone 167020.7 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