- 通過實驗證明Id>class>標籤
- 2.
<!DOCTYPE html>
<html>
<head>
<link href="index.css" type="text/css" rel= "stylesheet"/>
<script src="index.js" language="javascript"></script>
</head>
<body>
<div class="divclass" id="divid" style="width:100px;height:100px;">
</div>
</body>
</html>`div{
background:red;
}
#divid{
background:blue;
}
.divclass{
background:black;
}
div{
background:red;
}
.divclass{
background:black;
}
div{
background:red;
}
