Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0
Firefox 138
Windows
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 428237.2 Ops/sec
Native map deep slice(turns objects into arrays) 30782694.0 Ops/sec
Native JSON parse 757427.9 Ops/sec
Native map deep slice at 0(turns objects into arrays) 23572226.0 Ops/sec
Native map(shallow clone) 74981616.0 Ops/sec
Recursive deep clone 3026613.5 Ops/sec
Map deep clone 1177377.2 Ops/sec
Object.assign shallow clone 41184316.0 Ops/sec
structuredClone 500262.6 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