Run results for: matches vs. closest vs. classList vs. querySelector

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:150.0) Gecko/20100101 Firefox/150.0

Browser: Firefox 150

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 months ago

classList

1.9M/s

matches

19K/s

closest

18K/s

querySelector

7K/s

View exact numbers

HTML Preparation code:

<div class="foo"></div>

Tests:

matches
var element = document.querySelector(".foo"); var i = 1000; while (i--) { element.matches(".foo"); }
closest
var element = document.querySelector(".foo"); var i = 1000; while (i--) { element.closest(".foo"); }
classList
var element = document.querySelector(".foo"); var i = 1000; while (i--) { element.classList.contains("foo"); }
querySelector
var i = 1000; while (i--) { document.querySelector(".foo"); }