Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Chrome 142
Mac OS X 10.15.7
Desktop
6 months ago
Test name Executions per second
Lodash cloneDeep 489421.0 Ops/sec
Native map deep slice(turns objects into arrays) 10224738.0 Ops/sec
Native JSON parse 781695.3 Ops/sec
Native map deep slice at 0(turns objects into arrays) 10179157.0 Ops/sec
Native map(shallow clone) 11702558.0 Ops/sec
Recursive deep clone 2430973.0 Ops/sec
Map deep clone 2615083.8 Ops/sec
Object.assign shallow clone 10675668.0 Ops/sec
structuredClone 297309.9 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