这个代码错在哪里,innerHTML的内容显示不出来
<!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>
<script>
document.getElementById("demo").innerHTML="JS进阶篇";
function study()
{
var chose=confirm("关注JS高级篇");
if (chose==true)
{
document.write("让我们开始吧!");
}
else
{
document.write("你会后悔的!");
}
}
</script>
</head>
<body>
<p id="demo"></p>
<input type="button" value="继续学习吧" onclick="study()"/>
</body>
</html>