Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36
Chrome 94
Linux
Desktop
3 years ago
Test name Executions per second
Array.prototype.concat 4969915.0 Ops/sec
spread operator 22287074.0 Ops/sec
Array.prototype.flat 757241.4 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator

  • Array.prototype.flat