如何在导航中添加粘性 class

Question

How to add the Sticky class in Nav and how to use the sticky class in css in smoothness for Navigation

Answer 1

you could create a css class called "sticky-nav" :

.sticky-nav {
  position: -webkit-sticky;
  position: sticky;
}

and then apply it to your nav element. For more information you could check out the MDN explanation