转自https://www.cnblogs.com/shizk/p/8458916.html
$('#btn').click(function () {
//打开一个不被拦截的新窗口
var newWindow = window.open();
$.ajax({
url: 'xxxx.com',
success: function (url) {
//修改新窗口的url
newWindow.location.href = url;
}
})
});//先在回调函数之前打开新窗口,后再加载url