Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.6 Mobile/15E148 Safari/604.1
Mobile Safari 18
iOS 18.6.2
Mobile
8 months ago
Test name Executions per second
Lodash cloneDeep 260286.4 Ops/sec
Native map deep slice(turns objects into arrays) 15822247.0 Ops/sec
Native JSON parse 447717.7 Ops/sec
Native map deep slice at 0(turns objects into arrays) 17283500.0 Ops/sec
Native map(shallow clone) 27175966.0 Ops/sec
Recursive deep clone 2171383.0 Ops/sec
Map deep clone 2272659.0 Ops/sec
Object.assign shallow clone 15265497.0 Ops/sec
structuredClone 138658.6 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