Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36
Chrome 141
Linux
Desktop
6 months ago
Test name Executions per second
Lodash cloneDeep 388839.8 Ops/sec
Native map deep slice(turns objects into arrays) 8500828.0 Ops/sec
Native JSON parse 637564.9 Ops/sec
Native map deep slice at 0(turns objects into arrays) 8408828.0 Ops/sec
Native map(shallow clone) 9597961.0 Ops/sec
Recursive deep clone 2323072.0 Ops/sec
Map deep clone 2341067.2 Ops/sec
Object.assign shallow clone 9050768.0 Ops/sec
structuredClone 275931.3 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