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
9 months ago
Test name Executions per second
Lodash cloneDeep 299099.6 Ops/sec
Native map deep slice(turns objects into arrays) 5943161.5 Ops/sec
Native JSON parse 461953.2 Ops/sec
Native map deep slice at 0(turns objects into arrays) 6170003.0 Ops/sec
Native map(shallow clone) 7143548.0 Ops/sec
Recursive deep clone 1513023.4 Ops/sec
Map deep clone 1569494.6 Ops/sec
Object.assign shallow clone 7282238.0 Ops/sec
structuredClone 159905.1 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