Run details:
Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Chrome 138
Chrome OS 14541.0.0
Desktop
9 months ago
Test name Executions per second
Lodash cloneDeep 228366.7 Ops/sec
Native map deep slice(turns objects into arrays) 4243332.0 Ops/sec
Native JSON parse 394449.7 Ops/sec
Native map deep slice at 0(turns objects into arrays) 4232798.0 Ops/sec
Native map(shallow clone) 4518872.5 Ops/sec
Recursive deep clone 1220321.8 Ops/sec
Map deep clone 1250408.6 Ops/sec
Object.assign shallow clone 4535516.5 Ops/sec
structuredClone 103121.8 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