html
<!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>
/* 【1】选择具有某个属性的元素*/
/*选中具有value属性的input标签 */
input[value] {
color: red;
}
a[title] {
color: green;
}
/* 【2】选择具有某个属性且值为xx的元素 */
input[type=button] {
background-color: pink;
}
/* 【3】选择具有某个属性且值是以xx开头的元素 */
div[class^=box] {
color: blue;
}
/* 【4】选择具有某个属性且值是以xx结尾的元素 */
p[class$=-hd] {
color: red;
}
/* 【5】选择具有某个属性且值包含xx的元素 */
section[class*=icon] {
color: pink;
}
</style>
</head>
<body>
<!-- 属性选择器：根据标签的属性，来选中元素。 -->
<input type="text">
<input type="text" value="">
<hr>
<a href="#">测试</a>
<a href="#" title="百度一下">百度</a>
<hr>
<input type="submit">
<input type="button">
<hr>
<div class="box1">1</div>
<div class="box2">2</div>
<div class="box3">3</div>
<div class="abc">4</div>
<hr>
<p class="box-hd">我是p1</p>
<p class="bd">我是p2</p>
<p class="hezi-hd">我是p3</p>
<hr>
<section class="icon01">s1</section>
<section class="box-icon">s2</section>
<section class="aliamma-icon-box">s3</section>
</body>
</html>