JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" onclick="one()" value="One"> 
    <input type="button" onclick="two()" value="Two"> 
    <input type="button" onclick="undo()" value="Undo">
    <div id="stuff">
        <div class="things">
        <img />
            <img />
            <img />
            <input />
            <input />
            <input />
            <select></select>
            <select></select>
            <select></select>
            
            <img />
            <img />
            <img />
            <input />
            <input />
            <input />
            <select></select>
            <select></select>
            <select></select>
            <img />
            <img />
            <img />
            <input />
            <input />
            <input />
            <select></select>
            <select></select>
            <select></select>
            
            <img />
            <img />
            <img />
            <input />
            <input />
            <input />
            <select></select>
            <select></select>
            <select></select>
            <img />
            <img />
            <img />
            <input />
            <input />
            <input />
            <select></select>
            <select></select>
            <select></select>
            
            <img />
            <img />
            <img />
            <input />
            <input />
            <input />
            <select></select>
            <select></select>
            <select></select>
            <img />
            <img />
            <img />
            <input />
            <input />
            <input />
            <select></select>
            <select></select>
            <select></select>
            
            <img />
            <img />
            <img />
            <input />
            <input />
            <input />
            <select></select>
            <select></select>
            <select></select>
         ...

CSS

.foo { background: red; font-size:8px; }
        input { background: pink; }

JavaScript

function one() {
            var $colSelect = $('#stuff').find('.things');
            $($colSelect).find('img, input, select').addClass("foo");
        }

        function two() {
            var $colSelect = $('#stuff').find('.things');
            $($colSelect).find('img').addClass("foo");
            $($colSelect).find('input').addClass("foo");
            $($colSelect).find('select').addClass("foo");
        }

        function undo() {
            var $colSelect = $('#stuff').find('.things');
            $($colSelect).find('img, input, select').removeClass("foo");
        }