<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
button {
color: blue;
}
button[disabled] {
color: red;
}
input[type="search"] {
color: red;
}
input[class^="icon"] {
color: blue;
}
input[class$="icon1"] {
color: chocolate;
}
input[class*="abc"] {
color: cyan;
}
</style>
</head>
<body>
<!-- 属性选择器 -->
<!--
E[att] 具有att属性的E元素
E[att^="val"] 具有att属性且值以val开头的E元素
E[att$="val"] 具有att属性且值以val结尾的E元素
E[att*="val"] 具有att属性且值有val的E元素
-->
<div>
<!--
button[disabled] {
color: red;
}
-->
<button>aaa</button>
<button>aaa</button>
<button disabled>bbb</button>
<button disabled>bbb</button>
</div>
<div>
<!--
input[type="search"] {
color: red;
}
-->
<input type="text" value="文本框">
<input type="text" value="文本框">
<input type="search" value="搜索框">
<input type="search" value="搜索框">
</div>
<div>
<!--
input[class^="icon"] {
color: blue;
}
-->
<input class="icon1aa" value="搜索框">
<input class="icon1aa" value="搜索框">
</div>
<div>
<!--
input[class$="icon1"] {
color: chocolate;
}
-->
<input class="aaicon1" value="搜索框">
<input class="aaicon1" value="搜索框">
</div>
<div>
<!--
input[class*="abc"] {
color: cyan;
}
-->
<input class="testabcdefg" value="搜索框">
<input class="test1" value="搜索框">
</div>
</body>
</html>