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Run results for: querySelector vs getElementsByClassName

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.163 Safari/537.36
Chrome 80
Windows
Desktop
5 years ago
Test name Executions per second
querySelector 2944662.0 Ops/sec
getElementsByClassName 3591210.5 Ops/sec
HTML Preparation code:
AخA
 
1
<div class="test"></div>
Tests:

  • querySelector

     
    document.querySelector(".test")

  • getElementsByClassName

     
    document.getElementsByClassName(".test")