Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.74 Safari/537.36
Chrome 99
Windows
Desktop
2 years ago
Test name Executions per second
Reduce and Spread 45882.6 Ops/sec
ForEach and Mutate (for .. in loop) 134120.3 Ops/sec
Mutate with Object.assign 96925.2 Ops/sec
Foreach and Mutate (Object.assign) 6909.4 Ops/sec
Script Preparation code:
Tests:
  • Reduce and Spread

  • ForEach and Mutate (for .. in loop)

  • Mutate with Object.assign

  • Foreach and Mutate (Object.assign)