Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Chrome 122
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Lodash cloneDeep 453890.0 Ops/sec
Native map deep slice(turns objects into arrays) 6272410.0 Ops/sec
Native JSON parse 638177.2 Ops/sec
Native map deep slice at 0(turns objects into arrays) 6254490.0 Ops/sec
Native map(shallow clone) 11478483.0 Ops/sec
Recursive deep clone 409701.5 Ops/sec
Map deep clone 451755.7 Ops/sec
Object.assign shallow clone 6911181.5 Ops/sec
structuredClone 337342.4 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