Interesting way to call ajax without dependent library Source http://blogs.agilefaqs.com/2013/07/17/interesting-way-of-making-ajax-calls-from-your-javascript-without-using-any-framework-or-library/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+agilefaqs+%28Managed+Chaos%29

AjaxWithoutLibrary

script type="text/javascript">
simpleAJAXLib = {
    init: function () {
        this.fetchViaJSONP('your_url_goes_here');
    },
 
    fetchViaJSONP: function (url) {
        url += '?format=jsonp&jsonp_callback=simpleAJAXLib.handleResponse';
        document.getElementsByTagName('body')[0].appendChild(this.jsTag(url));
    },
 
    jsTag: function (url) {
        var script = document.createElement('script');
        script.setAttribute('type', 'text/javascript');
        script.setAttribute('src', url);
        return script;
    },
 
    handleResponse: function (results) {
        // do the necessary stuff; for example
        document.getElementById('demo').innerHTML = "Result = " + (results.error ? "Internal Server Error!" : results.response);
    }
};
</script>