<!DOCTYPE html>
<html>
<head>
<title> new document </title>
<meta http-equiv="Content-Type" content="text/html; charset=gbk"/>
<script type="text/javascript">
function openWindow(){
var open1=confirm("是否打开新页面?")
if(open1==true){
var open2=prompt("请输入网址","http://www.imooc.com/")
if(open2!=null){
window.open('http://www.imooc.com/','_blank','width=400,height=500,toolbar=yes,menubar=no');
}else
{
alert("不能打开哦");
}
}else{
alert("还是不能哦");
}
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>
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