如何使用jQuery和顶部栏移动侧菜单

Question

How can I make the side menu which is on the right scroll down when the bookmark bar gets to it, and then move along with the bookmark bar with jquery, and not knowing that menu is moving, it's like it stood stay still.

Answer 1

You'll need to:

• Watch the $(window).scroll event
• Check if the users scrollTop at the sidebars .offset().top
• If so, set the side to position: fixed
• Otherwise, restore it to position: relative

Answer 2

check out this tutorial: Scroll/Follow Sidebar

It uses a combination of CSS and jQuery to do what you need.