Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36
Chrome 78
Windows
Desktop
5 years ago
Test name Executions per second
reduce + Array.prototype.concat 2670699.5 Ops/sec
Array.prototype.flat 526612.6 Ops/sec
Tests:
  • reduce + Array.prototype.concat

  • Array.prototype.flat