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Bootstrap monitors scrolling to implement head-following scrolling

高洛峰

Dec 07, 2016 pm 01:53 PM

bootstrap

The example of this article shares the implementation method of bootstrap monitoring scrolling head to follow the scrolling for your reference. The specific content is as follows

implementation case

<body data-spy="scroll" data-target="#bs-example-navbar-collapse-1">
<div id=&#39;menu_wrap&#39;>
 <div class=&#39;menu&#39;>
  <nav class="navbar navbar-default" role="navigation">
  <div class="container">
  <div class="navbar-header">
  <a class="navbar-brand" href="#" style="font-weight:bold">植被数据录入</a>
  </div>
  <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
  <!-- <button type="button" class="close" data-dismiss="modal" data-target="#mychart2-zb"><span aria-hidden="true">×</span></button> -->
   <button type="button" class="btn btn-primary" style="float: right;margin-right: 10px;margin-top: 5px;" data-dismiss="modal" data-target="#mychart2-zb"><span aria-hidden="true">保存</span></button>
   <button type="button" class="btn btn-primary" style="float: right;margin-right: 10px;margin-top: 5px;" data-dismiss="modal" data-target="#mychart2-zb"><span aria-hidden="true">取消</span></button>
  </div>
 </div>
 </nav>
 </div>
</div>
</body>

css control style

.menu{
 width:100%;
 z-index:99;
}
.menuFixed{
 position:fixed;
 top:0;
 left:0;
}
#menu_wrap{
 height:50px;
 width:100%;
}

js monitoring

<script>
$(window).scroll(function () {
 var menu_top = $(&#39;#menu_wrap&#39;).offset().top;
 if ($(window).scrollTop() >= menu_top) {
 $(&#39;.menu&#39;).addClass(&#39;menuFixed&#39;)
 }
 else {
 $(&#39;.menu&#39;).removeClass(&#39;menuFixed&#39;)
 }
});
</script>

Import js

<script type="text/javascript" src="../bower_components/jquery/dist/jquery.min.js"></script>
<script type="text/javascript" src="../bower_components/bootstrap/dist/js/bootstrap.min.js"></script>

Only by sharing can knowledge be spread, new knowledge can be promoted, and more can be learned. Every text/blog written here is basically queried from the Internet I took a look at the information and recorded it. Some of it was moved over as it was, and sometimes I added some of my own ideas. I hope it can help everyone.

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