Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0
Firefox 131
Windows
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 246971.0 Ops/sec
Native map deep slice(turns objects into arrays) 18315678.0 Ops/sec
Native JSON parse 489351.1 Ops/sec
Native map deep slice at 0(turns objects into arrays) 15833992.0 Ops/sec
Native map(shallow clone) 34506940.0 Ops/sec
Recursive deep clone 2580029.8 Ops/sec
Map deep clone 2558704.0 Ops/sec
Object.assign shallow clone 34386992.0 Ops/sec
structuredClone 330162.9 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