querySelectorAll vs. getElementsByClassName

10 months ago
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36
Test name Executions per second
querySelectorAll 1046469.0 Ops/sec
getElementsByClassName 2829884.0 Ops/sec
HTML Preparation code:
Tests:

  • querySelectorAll

  • getElementsByClassName

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