Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0
Firefox 130
Ubuntu
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 163509.2 Ops/sec
Native map deep slice(turns objects into arrays) 10065201.0 Ops/sec
Native JSON parse 271317.1 Ops/sec
Native map deep slice at 0(turns objects into arrays) 9119669.0 Ops/sec
Native map(shallow clone) 18876870.0 Ops/sec
Recursive deep clone 1462426.5 Ops/sec
Map deep clone 1485272.5 Ops/sec
Object.assign shallow clone 18396576.0 Ops/sec
structuredClone 183194.3 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