Run results for: JQuery 1.11.1 vs 2.1.4 vs 3.3.1

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:66.0) Gecko/20100101 Firefox/66.0

Browser: Firefox 66

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
1.11.1	20530.7 Ops/sec
2.1.4	22079.3 Ops/sec
3.3.1	22264.3 Ops/sec

HTML Preparation code:

<div id="idSelector"></div>
<div class="classSelector"></div>
<ul id="iteration">
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
</ul>
<div id="cssGetter" style="color: black;"></div>
<div id="cssSetter" style="color: black;"></div>
<div id="find">
    <span></span>
    <div>
        <strong></strong>
    </div>
</div>

<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js">
</script>
<script>
  var $jq111 = $.noConflict(true);
</script>

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js">
</script>
<script>
  var $jq214 = $.noConflict(true);
</script>

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<script>
  var $jq331 = $.noConflict(true);
</script>

Script Preparation code:

function tests($) {
  // Filter Next
  $('#iteration li').filter(':first').next();
  
  // Filter Prev
  $('#iteration li').filter(':last').prev();
  
  // Non-existant Class
  $('.someClass');
  
  // Non-existant ID
  $('#someID');
  
  // Find
  $('#find').find('strong');
  
  // Set color
  $('#cssSetter').css('color', 'red');
  
  // Get color
  $('#cssGetter').css('color');
  
  // Iteration
  $('#iteration li').each(function(i, e) {
    i++;
  });
  
  // Class selector
  $('.classSelector');
  
  // ID selector
  $('#idSelector');
}

Tests:

1.11.1
tests($jq111);
2.1.4
tests($jq214);
3.3.1
tests($jq331);

Run results for: JQuery 1.11.1 vs 2.1.4 vs 3.3.1

SImple benchmark of jQuery versions

1.11.1

2.1.4

3.3.1