Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36
Chrome 91
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
reduce + Array.prototype.concat 3859559.0 Ops/sec
Array.prototype.flat 956506.9 Ops/sec
concat using decomposition 5886017.5 Ops/sec
Tests:
  • reduce + Array.prototype.concat

  • Array.prototype.flat

  • concat using decomposition