index.html
<!DOCTYPE HTML> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <link rel="stylesheet" href="main.css"/> <title>选择器属性</title> </head> <body> <p name="xiao">1234567</p> <p name="zhang">你好！我是校长阿四</p> <p name="a4">我爱篮球运动</p> </body> </html>
mian.css
p[name^="xiao"]{
color:blue;
}