MeasureThat.net

Run results for: querySelector vs getElementsByName vs getElementById vs getElementsByClassName

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Run details:
Mozilla/5.0 (iPad; CPU OS 15_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) GSA/228.0.471065565 Mobile/15E148 Safari/604.1
Mobile Safari 15
iOS 15.6
Tablet
2 years ago
Test name Executions per second
querySelector 2714490.2 Ops/sec
getElementsByName 3399219.5 Ops/sec
getElementById 3450884.5 Ops/sec
getElementsByClassName 3357862.2 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")