Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Mobile/15E148 Safari/604.1
Mobile Safari 18
iOS 18.2.1
Mobile
one year ago
Test name Executions per second
Lodash cloneDeep 527877.6 Ops/sec
Native map deep slice(turns objects into arrays) 37809652.0 Ops/sec
Native JSON parse 913115.5 Ops/sec
Native map deep slice at 0(turns objects into arrays) 35233524.0 Ops/sec
Native map(shallow clone) 59895180.0 Ops/sec
Recursive deep clone 3936268.8 Ops/sec
Map deep clone 2743080.0 Ops/sec
Object.assign shallow clone 22482986.0 Ops/sec
structuredClone 305480.3 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