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
5 months ago
Test name Executions per second
Lodash cloneDeep 391267.8 Ops/sec
Native map deep slice(turns objects into arrays) 8293979.5 Ops/sec
Native JSON parse 641870.7 Ops/sec
Native map deep slice at 0(turns objects into arrays) 7296042.0 Ops/sec
Native map(shallow clone) 3037371.5 Ops/sec
Recursive deep clone 353662.8 Ops/sec
Map deep clone 2025766.0 Ops/sec
Object.assign shallow clone 8914015.0 Ops/sec
structuredClone 326015.5 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