Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:101.0) Gecko/20100101 Firefox/101.0
Firefox 101
Ubuntu
Desktop
3 months ago
Test name Executions per second
Mapping 15420610.0 Ops/sec
spreading, then modifying 8289434.0 Ops/sec
Object.assign, then modifying 1445998.0 Ops/sec
Script Preparation code:
Tests:
  • Mapping

  • spreading, then modifying

  • Object.assign, then modifying