Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:138.0) Gecko/20100101 Firefox/138.0
Firefox 138
Mac OS X 10.15
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 430633.0 Ops/sec
Native map deep slice(turns objects into arrays) 23783276.0 Ops/sec
Native JSON parse 732285.8 Ops/sec
Native map deep slice at 0(turns objects into arrays) 23582096.0 Ops/sec
Native map(shallow clone) 45958284.0 Ops/sec
Recursive deep clone 2714361.8 Ops/sec
Map deep clone 938110.4 Ops/sec
Object.assign shallow clone 37291860.0 Ops/sec
structuredClone 527820.9 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