Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36
Chrome 88
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
reduce + Array.prototype.concat 3269099.0 Ops/sec
Array.prototype.flat 754958.4 Ops/sec
concat using decomposition 5156173.5 Ops/sec
Tests:
  • reduce + Array.prototype.concat

  • Array.prototype.flat

  • concat using decomposition