解决浏览器弹框自动添加域名功能

alert()

window.alert = function(name){    var iframe = document.createElement("IFRAME");    iframe.style.display="none";    iframe.setAttribute("src", 'data:text/plain,');    document.documentElement.appendChild(iframe);    window.frames[0].window.alert(name);    iframe.parentNode.removeChild(iframe);};

confirm()

 window.confirm= function(message) {

    var iframe = document.createElement("IFRAME");    iframe.style.display = "none";    iframe.setAttribute("src", 'data:text/plain,');    document.documentElement.appendChild(iframe);    var alertFrame = window.frames[0];    var result = alertFrame.window.confirm(message);    iframe.parentNode.removeChild(iframe);    return result;};