JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Somente LI e classe Pares</h1>
<div id="element">
</div>

JavaScript

$(function(){

        var html = '<ul>\
                    <li class="impar">1</li>\
                    <li class="par">2</li>\
                    <li class="impar">3</li>\
                    <li class="par">4</li>\
                </ul>';

    // Quero somente os pares

    var $lis = $(html).find('li.par');

    $('#element').html($lis);
})