Run results for: jquery 1.12.4 vs 2.2.4 (w/ jQuery Migrate) vs 3.5.1 (w/ jQuery Migrate) v4

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
jQuery 1	22826.7 Ops/sec
jQuery 2	22125.1 Ops/sec
jQuery 3	21395.0 Ops/sec

HTML Preparation code:

<script src="https://code.jquery.com/jquery-1.12.4.min.js" integrity="sha256-ZosEbRLbNQzLpnKIkEdrPv7lOy9C27hHQ+Xp8a4MxAQ=" crossorigin="anonymous"></script>
<script>
    var $jq1 = $.noConflict(true);
</script>
<script src="https://code.jquery.com/jquery-2.2.4.min.js" integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44=" crossorigin="anonymous"></script>
<script src="https://code.jquery.com/jquery-migrate-3.3.1.min.js" integrity="sha256-APllMc0V4lf/Rb5Cz4idWUCYlBDG3b0EcN1Ushd3hpE=" crossorigin="anonymous"></script>
<script>
    var $jq2 = $.noConflict(true);
</script>
<script src="https://code.jquery.com/jquery-3.5.1.min.js" integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" crossorigin="anonymous"></script>
<script src="https://code.jquery.com/jquery-migrate-3.3.1.min.js" integrity="sha256-APllMc0V4lf/Rb5Cz4idWUCYlBDG3b0EcN1Ushd3hpE=" crossorigin="anonymous"></script>
<script>
    var $jq3 = $.noConflict(true);
</script>
<div id="jQueryMigrate"></div>
<div>
    <ul id="menu">
        <li class="menu-item">1</li>
        <li class="menu-item">2</li>
        <li class="menu-item">3</li>
        <li class="menu-item">4</li>
        <li class="menu-item">5</li>
        <li class="menu-item">6</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
        <li class="menu-item">7</li>
    </ul>
</div>

Script Preparation code:

function tests($) {
	$(".menu-item").eq(2).closest("ul").css({
    	"background-color": "red"
    }).parent().css({
    	"border": "1px solid blue"
    }).append($("<p style='background-color: green;'>Text.</p>")).text('Text2.').css({
        'background-color': 'red'
    }).end().end().remove();
	console.log('tests' + $);
}

Tests:

jQuery 1
tests($jq1);
jQuery 2
tests($jq2);
jQuery 3
tests($jq3);

Run results for: jquery 1.12.4 vs 2.2.4 (w/ jQuery Migrate) vs 3.5.1 (w/ jQuery Migrate) v4

Comparing performance of: jquery 1.12.4 vs jquery 2.2.4 vs jquery 3.5.1

jQuery 1

jQuery 2

jQuery 3