Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0
Firefox 132
Mac OS X 10.15
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 372173.0 Ops/sec
Native map deep slice(turns objects into arrays) 18244426.0 Ops/sec
Native JSON parse 683211.2 Ops/sec
Native map deep slice at 0(turns objects into arrays) 15681208.0 Ops/sec
Native map(shallow clone) 35730052.0 Ops/sec
Recursive deep clone 2590393.2 Ops/sec
Map deep clone 899529.8 Ops/sec
Object.assign shallow clone 41364880.0 Ops/sec
structuredClone 497977.4 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