Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36
Chrome 89
Linux
Desktop
3 years ago
Test name Executions per second
Array.isArray 9516809.0 Ops/sec
instanceof 3166789.5 Ops/sec
[].constructor 3269758.5 Ops/sec
Object.prototype.toString 3939061.8 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString