function openWindow(){
var myopen=confirm("是否打开网页");
myopen='http://www.imooc.co';
if (myopen==true){
document.write((网页已打开));
}
window.open('http://www.imooc.com','_blank','width=400 ,height=500')
}
function openWindow()
{
var b=confirm("是否打开");
if(b==true){
var a=prompt("请输入网址","http：//www.imooc.com/");
if(a=="http：//www.imooc.com/")
{
window.open('_blank','width=400px''height=500px''toolbar=no''menubar=no')
function openwindow(){
confirm("确认打开新窗口吗？");
{
var url=prompt("请输入一个网址","http://imooc.com");
window.open(url,"_blank","toolbar=no,menubar=no,scrollbars=yes,width=400,height=400")
}
}
