Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_0_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0.1 Mobile/15E148 Safari/604.1
Mobile Safari 18
iOS 18.0.1
Mobile
one year ago
Test name Executions per second
Lodash cloneDeep 573878.0 Ops/sec
Native map deep slice(turns objects into arrays) 8258321.5 Ops/sec
Native JSON parse 1004945.1 Ops/sec
Native map deep slice at 0(turns objects into arrays) 6881026.0 Ops/sec
Native map(shallow clone) 11497586.0 Ops/sec
Recursive deep clone 548110.2 Ops/sec
Map deep clone 636176.0 Ops/sec
Object.assign shallow clone 7878337.5 Ops/sec
structuredClone 361825.1 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