jquery 弹出下载地址

JScript code

$(function(){        var btn = $("#btn");    btn.click(function(){        var url = "http://www.sina.com/abc.exe";        var ll = window.location || location;        ll.href(url);    })})

<button id="btn">确定</button>

求其他浏览器可以弹出的方法，谢谢啊

[解决办法]
btn.click(function () {
var url = "http://www.sina.com/abc.exe";
window.location=url;

})