Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0) Gecko/20100101 Firefox/141.0
Firefox 141
Windows
Desktop
9 months ago
Test name Executions per second
Lodash cloneDeep 211089.7 Ops/sec
Native map deep slice(turns objects into arrays) 17517550.0 Ops/sec
Native JSON parse 414282.8 Ops/sec
Native map deep slice at 0(turns objects into arrays) 13666512.0 Ops/sec
Native map(shallow clone) 36016868.0 Ops/sec
Recursive deep clone 1257480.5 Ops/sec
Map deep clone 543426.4 Ops/sec
Object.assign shallow clone 30810592.0 Ops/sec
structuredClone 339983.8 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