mini jsonp

mini-jsonp

    
    function jsonp(url, callback) {
        var script = document.createElement('script');
        script.type = "text/javascript";
        script.src = url + (url.indexOf('?') > 0 ? '&' : '?') + 'callback=CB&' + Date.now();
        script.onload=function(){
            script.parentNode.removeChild(script);
        };
        window['CB'] = function (json) {
            callback(json);
        };
        document.head.appendChild(script);
    }