querySelectorAll vs. getElementsByClassName

4 months ago
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Test name Executions per second
querySelectorAll 2874926.5 Ops/sec
getElementsByClassName 13220669.0 Ops/sec
HTML Preparation code:
Tests:

  • querySelectorAll

  • getElementsByClassName

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