Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:99.0) Gecko/20100101 Firefox/99.0
Firefox 99
Windows
Desktop
2 years ago
Test name Executions per second
Reduce and Spread 8019.0 Ops/sec
ForEach and Mutate (for .. in loop) 2223.9 Ops/sec
Mutate with Object.assign 26339.5 Ops/sec
Foreach and Mutate (Object.assign) 12467.1 Ops/sec
Script Preparation code:
Tests:
  • Reduce and Spread

  • ForEach and Mutate (for .. in loop)

  • Mutate with Object.assign

  • Foreach and Mutate (Object.assign)