Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0
Firefox 128
Windows
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 132195.0 Ops/sec
Native map deep slice(turns objects into arrays) 8363726.0 Ops/sec
Native JSON parse 237730.4 Ops/sec
Native map deep slice at 0(turns objects into arrays) 6723255.0 Ops/sec
Native map(shallow clone) 17118190.0 Ops/sec
Recursive deep clone 1155904.8 Ops/sec
Map deep clone 1161997.2 Ops/sec
Object.assign shallow clone 16981322.0 Ops/sec
structuredClone 173657.8 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