Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36
Chrome 145
Linux
Desktop
2 months ago
Test name Executions per second
Lodash cloneDeep 376500.2 Ops/sec
Native map deep slice(turns objects into arrays) 6754859.0 Ops/sec
Native JSON parse 493132.6 Ops/sec
Native map deep slice at 0(turns objects into arrays) 7061407.5 Ops/sec
Native map(shallow clone) 7840234.0 Ops/sec
Recursive deep clone 2073419.5 Ops/sec
Map deep clone 2121446.5 Ops/sec
Object.assign shallow clone 7461938.5 Ops/sec
structuredClone 249388.3 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