Run details:
Mozilla/5.0 (Linux; Android 10; motorola one vision) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Mobile Safari/537.36
Chrome Mobile 92
Android
Mobile
3 years ago
Test name Executions per second
Array.prototype.concat 2124416.2 Ops/sec
spread operator 9077278.0 Ops/sec
Array.prototype.flat 369304.5 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat