Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0
Firefox 133
Windows
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 188920.2 Ops/sec
Native map deep slice(turns objects into arrays) 9928463.0 Ops/sec
Native JSON parse 376330.2 Ops/sec
Native map deep slice at 0(turns objects into arrays) 8409364.0 Ops/sec
Native map(shallow clone) 18045410.0 Ops/sec
Recursive deep clone 1083613.8 Ops/sec
Map deep clone 457091.9 Ops/sec
Object.assign shallow clone 20186170.0 Ops/sec
structuredClone 270433.3 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