Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36
Chrome 108
Mac OS X 10.15.7
Desktop
11 months ago
Test name Executions per second
instanceof 9046974.0 Ops/sec
string type 23796742.0 Ops/sec
string type + undefined 8445073.0 Ops/sec
property 8440156.0 Ops/sec
constructor comparison 8996690.0 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • instanceof

  • string type

  • string type + undefined

  • property

  • constructor comparison