Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36
Chrome 103
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
instanceof 6548892.0 Ops/sec
string type 17164538.0 Ops/sec
string type + undefined 5989465.5 Ops/sec
property 5684923.0 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • instanceof

  • string type

  • string type + undefined

  • property