Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:86.0) Gecko/20100101 Firefox/86.0
Firefox 86
Mac OS X 10.14
Desktop
3 years ago
Test name Executions per second
constructor comparison 586332800.0 Ops/sec
instanceof operator 100018880.0 Ops/sec
Array.isArray call 109925680.0 Ops/sec
Script Preparation code:
Tests:
  • constructor comparison

  • instanceof operator

  • Array.isArray call