Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Chrome 134
Mac OS X 10.15.7
Desktop
10 months ago
Test name Executions per second
Lodash cloneDeep 447162.7 Ops/sec
Native map deep slice(turns objects into arrays) 8419312.0 Ops/sec
Native JSON parse 608169.2 Ops/sec
Native map deep slice at 0(turns objects into arrays) 8407790.0 Ops/sec
Native map(shallow clone) 9404614.0 Ops/sec
Recursive deep clone 2206321.2 Ops/sec
Map deep clone 2293904.0 Ops/sec
Object.assign shallow clone 9031565.0 Ops/sec
structuredClone 352702.3 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