Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Safari/605.1.15
Safari 14
Mac OS X 10.15.7
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 6621629.0 Ops/sec
spread operator (spread at head) 10978518.0 Ops/sec
spread operator x2 (head and tail) 9088666.0 Ops/sec
Tests:
  • Array.prototype.concat

  • spread operator (spread at head)

  • spread operator x2 (head and tail)