为啥会弹出两次
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>我们互动下</title>
</head>
<body>
<p class="one">js进阶篇</p>
<from>
</from>
<script type="text/javascript">
var max = confirm("是否关注js高级篇");
if(max==true){
document.write("你会成功的");
}
else{
document.write("你会后悔的");
}
</script>
</body>
</html>
