Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:135.0) Gecko/20100101 Firefox/135.0
Firefox 135
Mac OS X 10.15
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 392689.4 Ops/sec
Native map deep slice(turns objects into arrays) 20224896.0 Ops/sec
Native JSON parse 711722.6 Ops/sec
Native map deep slice at 0(turns objects into arrays) 18399532.0 Ops/sec
Native map(shallow clone) 41144480.0 Ops/sec
Recursive deep clone 1829304.2 Ops/sec
Map deep clone 1659865.1 Ops/sec
Object.assign shallow clone 43370652.0 Ops/sec
structuredClone 538235.3 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