HTML Preparation code:
Script Preparation code:
Tests:
  • className.includes

  • classList.contains

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    className.includes
    classList.contains

    Fastest: N/A

    Slowest: N/A

Get performance results from real users on your website with Request Metrics.
Latest run results:
Run details: (Test run date: 12 days ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.55 Safari/537.36
Chrome 96 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
className.includes 7762636.0 Ops/sec
classList.contains 8179152.0 Ops/sec