Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:145.0) Gecko/20100101 Firefox/145.0
Firefox 145
Mac OS X 10.15
Desktop
5 months ago
Test name Executions per second
Lodash cloneDeep 365764.0 Ops/sec
Native map deep slice(turns objects into arrays) 20815738.0 Ops/sec
Native JSON parse 657936.3 Ops/sec
Native map deep slice at 0(turns objects into arrays) 17083288.0 Ops/sec
Native map(shallow clone) 39271536.0 Ops/sec
Recursive deep clone 3545537.0 Ops/sec
Map deep clone 3553296.5 Ops/sec
Object.assign shallow clone 38865360.0 Ops/sec
structuredClone 549098.1 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