Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 OPR/73.0.3856.329
Opera 73
Linux
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 6494937.0 Ops/sec
spread operator 32976798.0 Ops/sec
Array.prototype.flat 979634.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat