Run details:
Mozilla/5.0 (Linux; Android 8.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Mobile Safari/537.36
Chrome Mobile 91
Android 8.0.0
Mobile
3 years ago
Test name Executions per second
Array.prototype.concat 873993.9 Ops/sec
spread operator 3276161.2 Ops/sec
Array.prototype.flat 145649.1 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat