className vs setAttribute vs classList

29 days ago
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36 HBPC/12.1.3.306
Test name Executions per second
className 3506.6 Ops/sec
setAttribute 2461.3 Ops/sec
classList 2684.4 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • className

  • setAttribute

  • classList

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