Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0) Gecko/20100101 Firefox/137.0
Firefox 137
Windows
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 352656.2 Ops/sec
Native map deep slice(turns objects into arrays) 16680899.0 Ops/sec
Native JSON parse 579595.8 Ops/sec
Native map deep slice at 0(turns objects into arrays) 16644085.0 Ops/sec
Native map(shallow clone) 38939248.0 Ops/sec
Recursive deep clone 1695778.0 Ops/sec
Map deep clone 923747.6 Ops/sec
Object.assign shallow clone 44584576.0 Ops/sec
structuredClone 392620.2 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