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第一节课CSS和JS
家户通
Original
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QQ图片20180316112115.png

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>第一节课的内容</title>
<style type="text/css">

div{
height: 400px;
width: 500px;
margin-right: auto;
margin-left: auto;
background-color: blue;
}
h3{

text-align: center;
}
p{
color: yellow;
margin-left: 20px;
margin-right:20px;

}

.aaa{
color: white;
background-color: black;


}

</style>
</head>
<body>
<div>
<h3 onmousemove="changeto(this)" onmouseout="changeback(this)">
JS我不会咋办啊
</h3>

<p>
这个JS啊，我以前就是想学，但是呢，就是感觉看不懂，经过今天一晚上的强化训练，老师也讲了，终于，终于，我还是看不懂，下面的这个JS代码是我打出来的，但是我还是不懂，以后该咋办啊，我愁死了！
</p>

<p>还得手写代码啊，这个怎么搞啊，我快疯了。</p>

<script>
       function changeto(element){
            element.style.color="red"
            element.style.fontSize="30px"
       }
       function changeback(element){
            element.style.color="black"
            element.style.fontSize="24px"
       }
</script>
</div>
</body>
</html>


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