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<!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 isopen=confirm("确认打开?");
if(isopen==true){
var web=prompt("请输入网址",'http://www.imooc.com/');
if(web==""){
alert("输入为空!");
}else if(web==null){
alert("取消输入!");
}else if(web!=null){
window.open(web,'_blank','width=400,height=500,menubar=no,toolbar=bar');
}
}else{
alert("取消打开");
}
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>举报