https://getbootstrap.com/docs/5.0/components/scrollspy/
Scrollspy · Bootstrap v5.0
Automatically update Bootstrap navigation or list group components based on scroll position to indicate which link is currently active in the viewport.
scrollspybootstrapv5
https://getbootstrap.com/docs/5.1/components/scrollspy/
Scrollspy · Bootstrap v5.1
Automatically update Bootstrap navigation or list group components based on scroll position to indicate which link is currently active in the viewport.
scrollspybootstrapv5
https://getbootstrap.com/docs/5.3/components/scrollspy/
Scrollspy · Bootstrap v5.3
Automatically update Bootstrap navigation or list group components based on scroll position to indicate which link is currently active in the viewport.
scrollspybootstrapv5