JSFiddle - React, Tailwind, and code Playground

JavaScript

(function($) {
    $.fn.foobar = function() {
        console.log(true);
    };
})(jQuery);

(function($) {
            $.getScript("http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js", function() {
            $('body').foobar();
        }); 
})(jQuery);