使用[attribute ~= "value"]选择器通过CSS选择属性值包含指定单词的元素。
您可以尝试运行以下代码来实现[attribute ~= “值”]选择器。在这里，我们搜索的词是“Tutorials”，
示例
Live Demo
<!DOCTYPE html>
<html>
<head>
<style>
[alt ~= Tutorials] {
border: 5px solid orange;
border-radius: 5px;
}
</style>
</head>
<body>
<img src = "https://www.tutorialspoint.com/videotutorials/images/tutor_connect_home.jpg" height = "200" width = "200" alt = "Tutor Connect">
<img src = "https://www.tutorialspoint.com/videotutorials/images/tutorial_library_home.jpg" height = "200" width="200" alt = "Tutorials Library">
</body>
</html> 
