Run details:
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36
Chrome 79
Windows 7
Desktop
4 years ago
Test name Executions per second
Element.className 1990.6 Ops/sec
Element.classList 7601.0 Ops/sec
Element.setAttribute 2033.3 Ops/sec
HTML Preparation code:
Tests:
  • Element.className

  • Element.classList

  • Element.setAttribute