Java script 

<!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>无标题文档</title>
<script type="text/javascript">
document.write("你好啊！");


var a = "1";
a=a+4;
function aa()
{
    document.write(a);
}
</script>
</head>

<body>

<font size="+4">今天是星期五！</font>
<input type="button" value="提交" onclick="aa()" />
</body>
</html>

 

posted @ 2015-12-27 08:37  机智的实习生  阅读(175)  评论(0)  编辑  收藏  举报