Run results for: selector api

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0

Browser: Firefox 147

Operating system: Windows

Device Platform: Desktop

Date tested: 6 months ago

Test name

Executions per second

✓ getElementById

11,284,492 Ops/sec

querySelector(ID)

8,032,028 Ops/sec

querySelector(class)

7,720,724 Ops/sec

getElementsByClassName

5,490,000 Ops/sec

querySelectorAll(class)

3,519,541 Ops/sec

querySelectorAll(ID)

3,003,412 Ops/sec

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;