Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:83.0) Gecko/20100101 Firefox/83.0
Firefox 83
Ubuntu
Desktop
4 years ago
Test name Executions per second
Reduce and Spread 2578.2 Ops/sec
ForEach and Mutate (for .. in loop) 622.4 Ops/sec
Mutate with Object.assign 3023.4 Ops/sec
Foreach and Mutate (Object.assign) 4331.0 Ops/sec
Script Preparation code:
Tests:
  • Reduce and Spread

  • ForEach and Mutate (for .. in loop)

  • Mutate with Object.assign

  • Foreach and Mutate (Object.assign)