MeasureThat.net

Run results for: querySelectorAll vs getElementsByTagName iteration 2

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36
Chrome 103
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
querySelectorAll 1504564.0 Ops/sec
getElementsByTagName 2102073.5 Ops/sec
HTML Preparation code:
AخA
 
1
<div></div>
2
<div></div>
3
<div></div>
4
<div></div>
5
<div></div>
6
<div></div>
7
<div></div>
8
<div></div>
9
<div></div>
10
<div></div>
Tests:

  • querySelectorAll

     
    const allDivs = document.querySelectorAll('div');
    for(let i = 0; i < allDivs.length; i++);

  • getElementsByTagName

     
    const allDivs = document.getElementsByTagName('div');
    for(let i = 0; i < allDivs.length; i++);