Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36
Chrome 107
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
instanceof 10506079.0 Ops/sec
string type 26635118.0 Ops/sec
string type + undefined 9694533.0 Ops/sec
property 9672734.0 Ops/sec
constructor comparison 10457012.0 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • instanceof

  • string type

  • string type + undefined

  • property

  • constructor comparison