Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:132.0) Gecko/20100101 Firefox/132.0
Firefox 132
Ubuntu
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 148358.0 Ops/sec
Native map deep slice(turns objects into arrays) 8859302.0 Ops/sec
Native JSON parse 244304.4 Ops/sec
Native map deep slice at 0(turns objects into arrays) 8020437.0 Ops/sec
Native map(shallow clone) 16705468.0 Ops/sec
Recursive deep clone 729583.2 Ops/sec
Map deep clone 342329.6 Ops/sec
Object.assign shallow clone 19435336.0 Ops/sec
structuredClone 165230.6 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