<!DOCTYPE html>
<html>
<head>
<title> new document </title>
<meta http-equiv="Content-Type" content="text/html; charset=gbk"/>
<script type="text/javascript">
function openWindow(){ // 新窗口打开时弹出确认框，是否打开
var myMessage=comfirm("是否打开");
if(myMessage == true){
var mywebsite = prompt("输入网址","http://www.imooc.com/");
if(mywebsite!=null){
window.open(mywebsite,'_blank','width=400,height=500,menubar=0,toolbar=0');
}
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>comfirm -> confirm