Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Chrome 124
Windows
Desktop
2 years ago
Test name Executions per second
Lodash cloneDeep 225335.7 Ops/sec
Native map deep slice(turns objects into arrays) 2702575.5 Ops/sec
Native JSON parse 313540.5 Ops/sec
Native map deep slice at 0(turns objects into arrays) 2698094.5 Ops/sec
Native map(shallow clone) 4722711.5 Ops/sec
Recursive deep clone 180315.7 Ops/sec
Map deep clone 194647.6 Ops/sec
Object.assign shallow clone 2875934.5 Ops/sec
structuredClone 152756.5 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