Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.135 Safari/537.36
Chrome 84
Windows
Desktop
4 years ago
Test name Executions per second
reduce + Array.prototype.concat 2915491.8 Ops/sec
Array.prototype.flat 703634.2 Ops/sec
Tests:
  • reduce + Array.prototype.concat

  • Array.prototype.flat