Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:82.0) Gecko/20100101 Firefox/82.0
Firefox 82
Windows
Desktop
4 years ago
Test name Executions per second
Reduce and Spread 2853.5 Ops/sec
ForEach and Mutate (for .. in loop) 841.7 Ops/sec
Mutate with Object.assign 6431.6 Ops/sec
Foreach and Mutate (Object.assign) 7482.4 Ops/sec
Script Preparation code:
Tests:
  • Reduce and Spread

  • ForEach and Mutate (for .. in loop)

  • Mutate with Object.assign

  • Foreach and Mutate (Object.assign)