function openWindow()
{
var k=confirm("是否需打開網站？");
if(k == true)
var otherurl=prompt("請輸入網站：","http：//www.xianlaiwan.cn/");//輸入對話框，默認慕課網址
if(otherurl!="")//打開相應規定網站
window.open(otherurl,"_blank","width=400,height=500,toolbar=no,menu=no");
}
function aa(){
var mywin=window.open("http://www.xianlaiwan.cn","_blank","width=600,height=400,left=0,top=50");
}
<button onclick="aa()">打開</button><br/>
<button onclick="mywin.close()">關閉</button>
function openWindow(){
var xunwen = confirm("確認打開嗎？");
if (xunwen == true)
var xinurl = prompt("請輸入要打開的網址：","http://www.xianlaiwan.cn/");
if (xinurl != "")
window.open(xinurl,'_blank','width=400px,height=500px,menubar=no,toolbar=no');
}
}
}
