Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Chrome 138
Windows
Desktop
10 months ago
Test name Executions per second
Lodash cloneDeep 636842.3 Ops/sec
Native map deep slice(turns objects into arrays) 14304746.0 Ops/sec
Native JSON parse 998921.4 Ops/sec
Native map deep slice at 0(turns objects into arrays) 14302047.0 Ops/sec
Native map(shallow clone) 15923836.0 Ops/sec
Recursive deep clone 3634312.8 Ops/sec
Map deep clone 3769984.8 Ops/sec
Object.assign shallow clone 15155477.0 Ops/sec
structuredClone 452529.0 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