Run results for: selector api

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Browser: Chrome 143

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 6 months ago

getElementById

49.6M/s

querySelector(class)

33.5M/s

getElementsByClassName

18.3M/s

querySelector(ID)

11.5M/s

querySelectorAll(class)

10.7M/s

querySelectorAll(ID)

5.9M/s

View exact numbers

HTML Preparation code:

<div id="hello-id" class="hello-class">hello</div>

Tests:

getElementById
var el = document.getElementById("hello-id") var className = el.className;
getElementsByClassName
var el = document.getElementsByClassName("hello-class") var className = el.className;
querySelector(ID)
var el = document.querySelector("#hello-id") var className = el.className;
querySelector(class)
var el = document.querySelector(".hello-class") var className = el.className;
querySelectorAll(ID)
var el = document.querySelectorAll("#hello-id") var className = el[0].className;
querySelectorAll(class)
var el = document.querySelectorAll(".hello-class") var className = el[0].className;