Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Chrome 138
Windows
Desktop
10 months ago
Test name Executions per second
Lodash cloneDeep 451745.9 Ops/sec
Native map deep slice(turns objects into arrays) 10319774.0 Ops/sec
Native JSON parse 747383.3 Ops/sec
Native map deep slice at 0(turns objects into arrays) 11192701.0 Ops/sec
Native map(shallow clone) 12413720.0 Ops/sec
Recursive deep clone 2496735.8 Ops/sec
Map deep clone 2626746.0 Ops/sec
Object.assign shallow clone 12108153.0 Ops/sec
structuredClone 312702.9 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