Jquery popup menu no stick with header
问题 I have a right side button in my header. When click the button, a popup list menu will display. But when I scroll down the page, header is scroll down. But the popup menu is keep stick at top. How to I make popup menu stick with header? Below is my code. <html> <head> <title>My Page</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.css" /> <script src="http://code.jquery.com/jquery