Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Chrome 122
Windows
Desktop
2 years ago
Test name Executions per second
Lodash cloneDeep 319386.1 Ops/sec
Native map deep slice(turns objects into arrays) 4308174.5 Ops/sec
Native JSON parse 432146.2 Ops/sec
Native map deep slice at 0(turns objects into arrays) 4253030.5 Ops/sec
Native map(shallow clone) 7729327.5 Ops/sec
Recursive deep clone 296745.0 Ops/sec
Map deep clone 332896.3 Ops/sec
Object.assign shallow clone 4631195.0 Ops/sec
structuredClone 207013.6 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