Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.136 YaBrowser/20.2.3.320 (beta) Yowser/2.5 Safari/537.36
Yandex Browser 20
Linux
Desktop
4 years ago
Test name Executions per second
querySelectorAll 380632.4 Ops/sec
getElementsByClassName 273318.1 Ops/sec
HTML Preparation code:
AخA
 
1
<div class="test"></div>
2
<div class="test"></div>
3
<div class="test"></div>
4
<div class="test"></div>
5
<div class="test"></div>
6
<div class="test"></div>
7
<div class="test"></div>
8
<div class="test"></div>
9
<div class="test"></div>
10
<div class="test"></div>
Tests:
  • querySelectorAll

     
    const allTests = document.querySelectorAll('.test');
    allTests.forEach(function (test) {});
  • getElementsByClassName

     
    const allTests = document.getElementsByClassName('test');
    const arrayAllTests = Array.from(allTests);
    arrayAllTests.forEach(function (test) {});