Run results for: getElementById vs querySelector vs getElementsByName

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.3 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

getElementsByName

5.9M/s

getElementById

5.9M/s

querySelector

3.4M/s

View exact numbers

HTML Preparation code:

<div id="testElement" name="testElem"></div>

Tests:

getElementById
var el = document.getElementById('testElement'); var className = el.className;
querySelector
var el = document.querySelector('#testElement'); var className = el.className;
getElementsByName
var el = document.getElementsByName('testElem'); var className = el.className;