MeasureThat.net

Run results for: QuerySelector vs QuerySelectorAll vs getElementsByClassName

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36
Chrome 71
Linux
Desktop
6 years ago
Test name Executions per second
querySelector 3274816.2 Ops/sec
querySelectorAll 848771.1 Ops/sec
getElementsByClassName 4010817.8 Ops/sec
HTML Preparation code:
AخA
 
1
<div class="test"></div>
Tests:

  • querySelector

     
    document.querySelector(".test")

  • querySelectorAll

     
    document.querySelectorAll(".test")

  • getElementsByClassName

     
    document.getElementsByClassName(".test")