Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15
Safari 17
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 337473.0 Ops/sec
Native map deep slice(turns objects into arrays) 15279243.0 Ops/sec
Native JSON parse 594504.2 Ops/sec
Native map deep slice at 0(turns objects into arrays) 16090372.0 Ops/sec
Native map(shallow clone) 22577238.0 Ops/sec
Recursive deep clone 3152680.5 Ops/sec
Map deep clone 2913224.0 Ops/sec
Object.assign shallow clone 20487508.0 Ops/sec
structuredClone 216182.3 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