Run results for: jQuery hide in for loop vs. select all element and hide.

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36

Browser: Chrome 89

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
jQuery - in for loop	48836.9 Ops/sec
jQuery - select all and hide.	110730.6 Ops/sec
jQuery + native dom query selection mix	1643267.2 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.1.0.min.js"></script>
<ul id="testElement">
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
  <li class="nodes">TEST</li>
	
</ul>

Script Preparation code:

$parent = $('#testElement')

Tests:

jQuery - in for loop
var children = $parent.children(); for(var i =0; i<children.length; i++){ $(children[i]).hide(); }
jQuery - select all and hide.
$parent.children().hide();
jQuery + native dom query selection mix
var children = $parent[0].getElementsByClassName('.nodes'); for(var i =0; i<children.length; i++){ $(children[i]).hide(); }

Run results for: jQuery hide in for loop vs. select all element and hide.

jQuery - in for loop

jQuery - select all and hide.

jQuery + native dom query selection mix