Run results for: JQUERY v3.7.1 vs v4.0.0 AND v3.7.1-slim vs v4.0.0-slim

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 YaBrowser/25.10.0.0 Safari/537.36

Browser: Yandex Browser 25

Operating system: Windows

Device Platform: Desktop

Date tested: 5 months ago

Test name	Executions per second
v3.7.1	71771.1 Ops/sec
v3.7.1-slim	64788.4 Ops/sec
v4.0.0	67747.2 Ops/sec
v4.0.0-slim	71789.7 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="//code.jquery.com/jquery-3.7.1.min.js"></script>
<script>
  var $jq371 = $.noConflict(true);
</script>
<script type="text/javascript" src="//code.jquery.com/jquery-3.7.1.slim.min.js"></script>
<script>
  var $jq371_slim = $.noConflict(true);
</script>
<script type="text/javascript" src="//code.jquery.com/jquery-4.0.0-beta.min.js"></script>
<script>
  var $jq400 = $.noConflict(true);
</script>
<script type="text/javascript" src="//code.jquery.com/jquery-4.0.0-beta.slim.min.js"></script>
<script>
  var $jq400_slim = $.noConflict(true);
</script>
<div>
  <ul id="menu">
    <li class="menu-item">
    </li>
    <li class="menu-item">
    </li>
    <li class="menu-item">
    </li>
    <li class="menu-item">
    </li>
    <li class="menu-item">
    </li>
  </ul>
</div>

Script Preparation code:

function tests($) {
    $('#menu').css({
      'backgroud': 'red'
    });
    $('.menu-item').eq(2).hasClass('foo');
  
	console.log($('.menu-item').length);
}

Tests:

v3.7.1
tests($jq371);
v3.7.1-slim
tests($jq371_slim);
v4.0.0
tests($jq400);
v4.0.0-slim
tests($jq400_slim);

Run results for: JQUERY v3.7.1 vs v4.0.0 AND v3.7.1-slim vs v4.0.0-slim

Pre benchmark BETA RELEASE v4.0.0

v3.7.1

v3.7.1-slim

v4.0.0

v4.0.0-slim