Add class on scroll jquery

Today, We want to share with you add class on scroll jquery.In this post we will show you add/remove class when scrolling over section / sticky sidebar, hear for Add/remove class with jquery based on vertical scroll? we will give you demo and example for implement.In this post, we will learn about Simple Jquery Scroll To Top with an example.

Add/remove class with jquery based on vertical scroll?

Example 1: index.html

    
    
        
    
    
        
       

    

        
Home
        
Programs
        
Replay
    
 
        
        
        
    

Add/remove class on scroll down and scroll up

Example 2:

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//After scroll down add class box-hover
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Example 3:
Add or remove class with JQuery based on vertical scroll

header { height: 50px }
header .menu a { height: 1.2em }
.small { height: 25px }
.small .menu a { height: 1em }

I hope you get an idea about add/remove class when scrolling over section.
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