Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:85.0) Gecko/20100101 Firefox/85.0
Firefox 85
Ubuntu
Desktop
3 years ago
Test name Executions per second
Array.isArray 71571528.0 Ops/sec
instanceof 50112992.0 Ops/sec
[].constructor 73695672.0 Ops/sec
Object.prototype.toString 20452602.0 Ops/sec
Script Preparation code:
Tests:
  • Array.isArray

  • instanceof

  • [].constructor

  • Object.prototype.toString