Run results for: Change text of list items: jQuery vs. vanilla JS

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36

Browser: Chrome 53

Operating system: Mac OS X 10.12.0

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
jQuery	4944.8 Ops/sec
Vanilla JS	69589.6 Ops/sec

HTML Preparation code:

    <ul id="theList">
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
      <li>Item</li>    
    </ul>

Tests:

jQuery
var els = $('#theList li'); els.each(function() { $(this).text('Changed'); });
Vanilla JS
var els = document.querySelectorAll('#theList li'); Array.prototype.slice.call(els).forEach(function(el) { el.textContent = 'Changed'; });

Run results for: Change text of list items: jQuery vs. vanilla JS

Get the items from a list and change the text of each of them.

jQuery

Vanilla JS