className vs setAttribute vs classList

one month ago
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Safari/605.1.15
Test name Executions per second
className 9947.7 Ops/sec
setAttribute 7856.2 Ops/sec
classList 5903.6 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • className

  • setAttribute

  • classList

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