JSFiddle - React, Tailwind, and code Playground

HTML

<div id="elem1"></div>
<div id="elem2"></div>

JavaScript

+(function($, window, document, undefined){
    var app = (function(){        
        var $elem1,
            $elem2;
        
        function init() {
            $elem1 = $('#elem1');
            $elem2 = $('#elem2');
            
            $elem1.text('element 1');
            $elem2.text('element 2');
        };
        
        return {
            init: init
        };
    })();
        app.init();
})(jQuery, window, document);