You can fix the simple instance code of the navigation menu at the top and the navigation menu instance.

You can fix the simple instance code of the navigation menu at the top and the navigation menu instance.

You can fix the simple instance code in the navigation menu at the top:
The navigation bar fixed at the top of a webpage is popular in today's websites. The so-called "fixed at the top of a webpage" is generally not always fixed at the top, but at the beginning it is located at a certain position, the drop-down scroll bar is fixed to the top only when it reaches the top. The code example below describes how to achieve this effect.
The Code is as follows:

 

<! DOCTYPE html> 
 
The above Code meets our requirements. We can fix the simulated navigation bar to the top of the webpage. Of course, the navigation bar here is just a div block, in actual application, you can modify the code according to your project requirements. The code is simple and will not be described here.
The original address is: http://www.softwhy.com/forum.php? Mod = viewthread & tid = 10796.
For more information, see: http://www.softwhy.com/jquery/