i'm using bootstrap 3, tried create navbar when scroll fix top. best solution in oppinion "affix" bootstrap, solve js
$(document).ready(function(){/* affix navbar after scroll below header */ $('#nav').affix({ offset: { top: $('header').height()-$('#nav').height() } }); }); but have big problem, menu has 10 parents , each parent li has child ul navbar has big height , cant scroll down navbar, when do, body scrolls... can me?
here fiddle: https://jsfiddle.net/x80cqj0c/ (not beautiful u can see mean)
add css
.affix { position: fixed; top: 0; width: 100%; z-index:5; } @media screen , (max-width : 760px){ #men{ float:left; width:100%; overflow-y: auto; height: 100px; } } html part
<nav class="navbar navbar-inverse affix" role="navigation"> <div class="navbar-header"> <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#example-navbar-collapse"> <span class="sr-only">toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <a class="navbar-brand" href="#">news</a> </div> <div class="collapse navbar-collapse" id="example-navbar-collapse"> <ul class="nav navbar-nav"> <li class="active"><a href="#">parent 1</a></li> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown"> parent 2 <b class="caret"></b> </a> <ul class="dropdown-menu"> <li><a href="'">child</a></li> <li><a href="'">child</a></li> <li><a href="'">child</a></li> <li><a href="'">child</a></li> <li><a href="'">child</a></li> <li><a href="'">child</a></li> <li><a href="'">child</a></li> <li><a href="'">child</a></li> <li><a href="'">child</a></li> </ul> </li> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown"> parent 2 <b class="caret"></b> </a> <ul class="dropdown-menu"> <li><a href="'">child</a></li> <li><a href="'">child</a></li> <li><a href="'">child</a></li> <li><a href="'">child</a></li></ul></li> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown"> videos <b class="caret"></b> </a> <ul class="dropdown-menu"> <li><a href="#">trailers </a></li> <li><a href="#">popular videos </a></li> <li><a href="#">audio launch in bad idea </a></li> <li><a href="#">shorts </a></li> <li><a href="#">others </a></li> </ul> </li> <li><a href="#about">interviews</a></li> <li><a href="#contact">kids</a></li> </ul> </div> </nav> <div class="section_divider_grau"></div> <section id="welcome_container" style=" padding-top: 60px; "> <div class="container" id="section1"> <div class="col-md-12 normal"> lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. @ vero eos et accusam et justo duo dolores et ea rebum. stet clita kasd gubergren, no sea takimata sanctus est lorem ipsum dolor sit amet. lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. @ vero eos et accusam et justo duo dolores et ea rebum. stet clita kasd gubergren, no sea takimata sanctus est lorem ipsum dolor sit amet. lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. @ vero eos et accusam et justo duo dolores et ea rebum. stet clita kasd gubergren, no sea takimata sanctus est lorem ipsum dolor sit amet. duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis @ vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi. lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis @ vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi. nam liber tempor cum soluta nobis eleifend option congue nihil imperdiet doming id quod mazim placerat facer possim assum. lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis. @ vero eos et accusam et justo duo dolores et ea rebum. stet clita kasd gubergren, no sea takimata sanctus est lorem ipsum dolor sit amet. lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. @ vero eos et accusam et justo duo dolores et ea rebum. stet clita kasd gubergren, no sea takimata sanctus est lorem ipsum dolor sit amet. lorem ipsum dolor sit amet, consetetur sadipscing elitr, @ accusam aliquyam diam diam dolore dolores duo eirmod eos erat, et nonumy sed tempor et et invidunt justo labore stet clita ea et gubergren, kasd magna no rebum. sanctus sea sed takimata ut vero voluptua. est lorem ipsum dolor sit amet. lorem ipsum dolor sit amet, consetetur </div> </div> </section> 
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