Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:139.0) Gecko/20100101 Firefox/139.0
Firefox 139
Linux
Desktop
11 months ago
Test name Executions per second
Lodash cloneDeep 605944.8 Ops/sec
Native map deep slice(turns objects into arrays) 39888696.0 Ops/sec
Native JSON parse 940835.1 Ops/sec
Native map deep slice at 0(turns objects into arrays) 33699840.0 Ops/sec
Native map(shallow clone) 82858376.0 Ops/sec
Recursive deep clone 3194470.8 Ops/sec
Map deep clone 1490439.1 Ops/sec
Object.assign shallow clone 68195192.0 Ops/sec
structuredClone 623035.1 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