Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:87.0) Gecko/20100101 Firefox/87.0
Firefox 87
Mac OS X 10.15
Desktop
3 years ago
Test name Executions per second
className 1174.3 Ops/sec
classList 1410.7 Ops/sec
HTML Preparation code:
Tests:
  • className

  • classList