Guide to utilizing the scrollspy feature in Bootstrap 4

Looking for guidance with HTML, Bootstrap, and CSS. I'm revamping a website page by implementing scrollspy in a list. The HTML is generated by R using the postcards package.

This is my HTML code which utilizes Bootstrap 3.4.1. Transitioning to newer versions like Bootstrap 4, I face issues replicating the desired behavior. When I include <script> for a later Bootstrap version (e.g., 4.5.0), the buttons, list items (li), or links don't appear active as I scroll down the page.

I'm perplexed as to why newer Bootstrap versions aren't functioning correctly with this code.

<!doctype html>
<html lang="en">
...
</body>
</html>
htmlcssbootstrap-4

Answer №1

If you want to implement scroll spy on your website, start by adding the following code inside your body tag: 

<body> data-spy="scroll" data-target="[class of the target]" data-offset="[choose any value you prefer]">
. You will also need to designate a location where the links will be updated, such as a navbar (indicated in the code above as [class of the target]). Within your navbar, make sure to include <a> tags that are linked to the section id, like this: 
<a href="#[section id]">My link</a>
. To further enhance the user experience, consider adding custom styles to the active links using CSS, for example: 
a:active { //define the active style }
.

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