Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Chrome 87
Linux
Desktop
3 years ago
Test name Executions per second
Reduce and Spread 24294.8 Ops/sec
ForEach and Mutate (for .. in loop) 66226.1 Ops/sec
Mutate with Object.assign 88235.2 Ops/sec
Foreach and Mutate (Object.assign) 5686.4 Ops/sec
Script Preparation code:
Tests:
  • Reduce and Spread

  • ForEach and Mutate (for .. in loop)

  • Mutate with Object.assign

  • Foreach and Mutate (Object.assign)