Odd and even row highlighting and mouse-over highlighting class_javascript skills

It took some time to encapsulate it into a class (with a class to add styles), which is suitable for beginners. You can just call the function directly without changing the code.
Core JavaScript code:

<meta charset="gb2312"> <title>Odd or even line highlighting and mouse-over highlighting~@Mr.Think</title> <style> body{font-size:0.8em;letter-spacing:1px;font-family:"寰</style>