Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:136.0) Gecko/20100101 Firefox/136.0
Firefox 136
Windows
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 292210.9 Ops/sec
Native map deep slice(turns objects into arrays) 18616360.0 Ops/sec
Native JSON parse 573509.2 Ops/sec
Native map deep slice at 0(turns objects into arrays) 16510938.0 Ops/sec
Native map(shallow clone) 32333544.0 Ops/sec
Recursive deep clone 2926072.2 Ops/sec
Map deep clone 690266.9 Ops/sec
Object.assign shallow clone 41828732.0 Ops/sec
structuredClone 423908.6 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