function openWindow(){
alert("是否打开网站？");
var wangzhi=confirm("http://www.imooc.com");
if (wangzhi="http://www.imooc.com")
{
window.open('http://www.imooc.com','_blank','width=400,height=500,menubar=no,toolbar=no')
}
}
openWindow();
function openWindow(){
var char=confirm("是否打开");
if(char==true){
window.open('http：//www.imooc.com','_blank','width=400px,heigh=500px,menubar=no,toolbar=no');
}
}
