Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:127.0) Gecko/20100101 Firefox/127.0
Firefox 127
Linux
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 156002.5 Ops/sec
Native map deep slice(turns objects into arrays) 9383938.0 Ops/sec
Native JSON parse 256682.3 Ops/sec
Native map deep slice at 0(turns objects into arrays) 8118669.5 Ops/sec
Native map(shallow clone) 19935936.0 Ops/sec
Recursive deep clone 1380468.8 Ops/sec
Map deep clone 1377765.5 Ops/sec
Object.assign shallow clone 17615508.0 Ops/sec
structuredClone 164235.9 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