Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 Edg/110.0.1587.63
Chrome 110
Windows
Desktop
2 years ago
Test name Executions per second
querySelector 4723307.0 Ops/sec
querySelectorAll 2010145.6 Ops/sec
getElementsByClassName 10269348.0 Ops/sec
querySelector (ID) 4293079.0 Ops/sec
getElementsByID 11686059.0 Ops/sec
HTML Preparation code:
AخA
 
1
<div class="test" id="test"></div>
Tests:
  • querySelector

     
    document.querySelector(".test")
  • querySelectorAll

     
    document.querySelectorAll(".test")
  • getElementsByClassName

     
    document.getElementsByClassName(".test")
  • querySelector (ID)

     
    document.querySelector("#test")
  • getElementsByID

     
    document.getElementById("test")