<head>
<title>无标题页</title>
<script language="javascript" type="text/javascript">
//第一种
alert("第一种对话框");
//第二种
if (confirm("Are you sure?")) {
alert("你点的确定");
}
else {
alert("你点的取消");
}
var win=null;
function openWindow() {
win = open("http://www.baidu.com", "baidu", "height=150,width=300,top=10,left=10,resizable=yes");
}
function closeWindow() {
win.close();
}
</script>
</head>
<body>
<input type="text" id="txtName" />
<!--第三种-->
<script language="javascript" type="text/javascript">
document.getElementById("txtName").value = prompt("请输入你的姓名");
</script>
<input type="button" value="打开一个新窗口" onclick="openWindow()" />
<input type="button" value="关闭刚才打开的窗口" onclick="closeWindow()" />
</body>