Build a nested table of contents from the headings inside a content region and render it as a list of anchor links. With scrollSpy enabled, the entry for the heading currently in view is marked with aria-current.
scrollSpy
aria-current
Optional
Build a nested table of contents from the headings inside a content region and render it as a list of anchor links. With
scrollSpyenabled, the entry for the heading currently in view is marked witharia-current.