Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:83.0) Gecko/20100101 Firefox/83.0
Firefox 83
Linux
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 8916102.0 Ops/sec
spread operator 7187000.5 Ops/sec
Array.prototype.flat 10097260.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat