Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36
Chrome 99
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Reduce and Spread 60323.2 Ops/sec
ForEach and Mutate (for .. in loop) 171427.8 Ops/sec
Mutate with Object.assign 151862.2 Ops/sec
Foreach and Mutate (Object.assign) 12271.0 Ops/sec
Script Preparation code:
Tests:
  • Reduce and Spread

  • ForEach and Mutate (for .. in loop)

  • Mutate with Object.assign

  • Foreach and Mutate (Object.assign)