MeasureThat.net

Run results for: querySelector vs getElementsByName vs getElementById vs getElementsByClassName

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Run details:
Mozilla/5.0 (Linux; Android 11) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.71 Mobile Safari/537.36
Chrome Mobile 94
Android
Mobile
3 years ago
Test name Executions per second
querySelector 1836597.0 Ops/sec
getElementsByName 3543323.8 Ops/sec
getElementById 2881026.5 Ops/sec
getElementsByClassName 3413694.2 Ops/sec
HTML Preparation code:
AخA
 
1
<div name='test' id='test' class='test'></div>
Tests:

  • querySelector

     
    document.querySelector('#test')

  • getElementsByName

     
    document.getElementsByName('div[name="#test"]')

  • getElementById

     
    document.getElementById('test')

  • getElementsByClassName

     
    document.getElementsByClassName(".test")