Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:121.0) Gecko/20100101 Firefox/121.0
Firefox 121
Mac OS X 10.15
Desktop
one year ago
Test name Executions per second
Array.isArray 258347552.0 Ops/sec
instanceof 90192808.0 Ops/sec
[].constructor 123512248.0 Ops/sec
Object.prototype.toString 88027592.0 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString