MeasureThat.net

Run results for: querySelector vs getElementsByName vs getElementById vs getElementsByClassName

Go to the benchmark
Run details:
Mozilla/5.0 (iPad; CPU OS 12_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/86.0.4240.93 Mobile/15E148 Safari/604.1
Chrome Mobile iOS 86
iOS 12.1
Tablet
3 years ago
Test name Executions per second
querySelector 2208440.2 Ops/sec
getElementsByName 2818925.0 Ops/sec
getElementById 2757202.5 Ops/sec
getElementsByClassName 2697417.8 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")