Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:130.0) Gecko/20100101 Firefox/130.0
Firefox 130
Windows
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 276705.1 Ops/sec
Native map deep slice(turns objects into arrays) 18722190.0 Ops/sec
Native JSON parse 552472.7 Ops/sec
Native map deep slice at 0(turns objects into arrays) 17227702.0 Ops/sec
Native map(shallow clone) 39849984.0 Ops/sec
Recursive deep clone 2434120.2 Ops/sec
Map deep clone 2290706.5 Ops/sec
Object.assign shallow clone 32125894.0 Ops/sec
structuredClone 319442.9 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