bookmarklet.js

javascript:(function () {
        function getScript(url, success) {
            var script = document.createElement('script');
            script.src = url;
            var head = document.getElementsByTagName('head')[0];
            var completed = false;
            script.onload = script.onreadystatechange = function () {
                if (!completed && (!this.readyState || this.readyState == 'loaded' || this.readyState == 'complete')) {
                    completed = true;
                    success();
                    script.onload = script.onreadystatechange = null;
                    head.removeChild(script);
                }
            };
            head.appendChild(script);
        }

        getScript("https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.js", function () {
            getScript("https://ajax.googleapis.com/ajax/libs/jqueryui/1.10.4/jquery-ui.js", function () {
                var myStylesLocation = "https://code.jquery.com/ui/1.13.0-alpha.1/themes/smoothness/jquery-ui.css";
                $('<link rel="stylesheet" type="text/css" href="'+myStylesLocation+'" >').appendTo("head");
                $("<div id='dialog'; title='Bookmarklet UI'; style='border:none; background-color:white; font-size:80%'; <p>This is text inside a bookmarklet.</p></div>").appendTo("body");
                $( "#dialog" ).dialog();
            });
        });
})();