Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Firefox 130
Mac OS X 10.15
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 350457.8 Ops/sec
Native map deep slice(turns objects into arrays) 20544764.0 Ops/sec
Native JSON parse 637309.6 Ops/sec
Native map deep slice at 0(turns objects into arrays) 17913114.0 Ops/sec
Native map(shallow clone) 38682544.0 Ops/sec
Recursive deep clone 3020103.0 Ops/sec
Map deep clone 3059446.5 Ops/sec
Object.assign shallow clone 43650052.0 Ops/sec
structuredClone 490618.8 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