Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.114 YaBrowser/20.11.1.81 Yowser/2.5 Safari/537.36
Yandex Browser 20
Windows
Desktop
4 years ago
Test name Executions per second
Reduce and Spread 34606.2 Ops/sec
ForEach and Mutate (for .. in loop) 125373.7 Ops/sec
Mutate with Object.assign 95764.9 Ops/sec
Foreach and Mutate (Object.assign) 5229.2 Ops/sec
Reduce Mutate 5551.2 Ops/sec
reduce mutate 2 97750.7 Ops/sec
reduce mutate 3 5476.4 Ops/sec
Script Preparation code:
Tests:
  • Reduce and Spread

  • ForEach and Mutate (for .. in loop)

  • Mutate with Object.assign

  • Foreach and Mutate (Object.assign)

  • Reduce Mutate

  • reduce mutate 2

  • reduce mutate 3