Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.60 Safari/537.36
Chrome 100
Windows
Desktop
2 years ago
Test name Executions per second
instanceof 6105473.0 Ops/sec
string type 15133005.0 Ops/sec
string type + undefined 5031664.0 Ops/sec
property 5012739.0 Ops/sec
constructor comparison 6239068.5 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • instanceof

  • string type

  • string type + undefined

  • property

  • constructor comparison