Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Chrome 133
Windows
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 238857.7 Ops/sec
Native map deep slice(turns objects into arrays) 5290149.0 Ops/sec
Native JSON parse 370487.7 Ops/sec
Native map deep slice at 0(turns objects into arrays) 5307788.5 Ops/sec
Native map(shallow clone) 5808743.0 Ops/sec
Recursive deep clone 1286774.0 Ops/sec
Map deep clone 1305798.6 Ops/sec
Object.assign shallow clone 5783650.5 Ops/sec
structuredClone 162743.1 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