Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Chrome 137
Mac OS X 10.15.7
Desktop
11 months ago
Test name Executions per second
Lodash cloneDeep 717214.8 Ops/sec
Native map deep slice(turns objects into arrays) 15298686.0 Ops/sec
Native JSON parse 1082417.9 Ops/sec
Native map deep slice at 0(turns objects into arrays) 15261110.0 Ops/sec
Native map(shallow clone) 17257088.0 Ops/sec
Recursive deep clone 3393627.5 Ops/sec
Map deep clone 3597951.2 Ops/sec
Object.assign shallow clone 16367861.0 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