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) AppleWebKit/602.1.50 (KHTML, like Gecko) Version/10.0 Safari/602.1.50

Browser: Safari 10

Operating system: Mac OS X 10.12

Device Platform: Other

Date tested: 8 years ago

Test name	Executions per second
jQuery	10914.0 Ops/sec
Vanilla JS	34830.6 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