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Bootstrap Scrollspy Plugin (Advanced)
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The Scrollspy Plugin
The Scrollspy plugin is used to automatically update links in a navigation list based on scroll position.

How To Create a Scrollspy
The following example shows how to create a scrollspy:

Example

<!– The navbar – The elements are used to jump to a section in the scrollable area –>

…
 

   
• Section 1

    …

 

Section 1

 

Try to scroll this page and look at the navigation bar while scrolling!

…

»
Example Explained
Add data-spy=”scroll” to the element that should be used as the scrollable area (often this is the element).

Then add the data-target attribute with a value of the id or the class name of the navigation bar (.navbar). This is to make sure that the navbar is connected with the scrollable area.

Note that scrollable elements must match the ID of the links inside the navbar’s list items (

matches ).

The optional data-offset attribute specifies the number of pixels to offset from top when calculating the position of scroll. This is useful when you feel that the links inside the navbar changes the active state too soon or too early when jumping to the scrollable elements. Default is 10 pixels.

Requires relative positioning: The element with data-spy=”scroll” requires the CSS position property, with a value of “relative” to work properly.

Scrollspy Vertical Menu
In this example, we use Bootstrap’s vertical navigation pills as menu:

Example

 

   

     
       

         
• Section 1

          …
       

     
     

       

         

Section 1

         

Try to scroll this page and look at the navigation list while scrolling!

       

        …
     

   

 

»
Complete Bootstrap Scrollspy Reference
For a complete reference of all scrollspy methods and events, go to our Bootstrap JS Scrollspy Reference.

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