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如何在滚动div后将自举导航栏修复到顶部？

2013-04-05 45 views

回答

1

我写了一个jQuery插件，这样做的 - http://drewdahlman.github.com/Pinned/

超级简单 - 只要让你的头部位置绝对和它的位置 - 然后设置jQuery插件 -

$("#element").pinned({ 
    bounds: 100, // when to become sticky 100px 
    scrolling: 0, // position during scroll 0px 
});

应该这样做！

干杯！

来源

2013-04-05 16:25:16

1

为了让效果显示在facebook.com/home上，您的导航栏位置应设置为静态（或相对/绝对），直到用户滚动过去400px，然后您需要将其位置设置为固定，以便停留在屏幕的顶部。这可以用一个小小的JavaScript来完成。

来源

2013-04-05 16:22:34

16

如果你想使用Twitter的Bootstrap来实现这一点，请查看'Affix'js。你可以使用“data-offset-top”定义“固定”点，然后当用户向下滚动时，导航栏将固定在顶部。

CSS：

#con .well { 
    height:390px; 
} 

#nav.affix { 
    position: fixed; 
    top: 0; 
    width: 100% 
}

HTML：

<div class="container" data-spy="affix" data-offset-top="400" id="nav"> 
    <div id="nav" class="navbar"> 
     <div class="navbar-inner"> ...

的Javascript：

$('#nav').affix();

这里是工作提琴： http://jsfiddle.net/skelly/df8tb/

这里的一个工作示例（针对Bootstrap 3更新）：http://bootply.com/90936

来源

2013-04-05 17:16:58 ZimSystem

+1

伟大的答案。 Upvoted是因为Affix.js是官方Bootstrap核心的一部分，其他答案意味着需要外部库/代码。 – Jon 2013-12-30 21:57:41

0

请按照此操作。当菜单栏到达顶部位置时，您不会看到快照。

<!DOCTYPE html> 
<html> 
<head> 
    <title>Bootstrap Example</title> 
    <meta charset="utf-8"> 
    <meta name="viewport" content="width=device-width, initial-scale=1"> 
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> 
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> 
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> 
    <style> 
    body { 
     position: relative; 
    } 
    .affix { 
     top:0; 
     width: 100%; 
     z-index: 9999 !important; 
    } 
    .navbar { 
     margin-bottom: 0px; 
    } 

    .affix ~ .container-fluid { 
    position: relative; 
    top: 50px; 
    } 
    #section1 {padding-top:50px;height:500px;color: #fff; background-color: #1E88E5;} 
    #section2 {padding-top:50px;height:500px;color: #fff; background-color: #673ab7;} 
    #section3 {padding-top:50px;height:500px;color: #fff; background-color: #ff9800;} 
    #section41 {padding-top:50px;height:500px;color: #fff; background-color: #00bcd4;} 
    #section42 {padding-top:50px;height:500px;color: #fff; background-color: #009688;} 
    </style> 
</head> 
<body data-spy="scroll" data-target=".navbar" data-offset="50"> 

<div class="container-fluid" style="background-color:#F44336;color:#fff;height:200px;"> 
    <h1>Scrollspy & Affix Example</h1> 
    <h3>Fixed navbar on scroll</h3> 
    <p>Scroll this page to see how the navbar behaves with data-spy="affix" and data-spy="scrollspy".</p> 
    <p>The navbar is attached to the top of the page after you have scrolled a specified amount of pixels, and the links in the navbar are automatically updated based on scroll position.</p> 
</div> 

<nav class="navbar navbar-inverse" data-spy="affix" data-offset-top="197"> 
    <div class="container-fluid"> 
    <div class="navbar-header"> 
     <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar"> 
      <span class="icon-bar"></span> 
      <span class="icon-bar"></span> 
      <span class="icon-bar"></span>       
     </button> 
     <a class="navbar-brand" href="#">WebSiteName</a> 
    </div> 
    <div> 
     <div class="collapse navbar-collapse" id="myNavbar"> 
     <ul class="nav navbar-nav"> 
      <li><a href="#section1">Section 1</a></li> 
      <li><a href="#section2">Section 2</a></li> 
      <li><a href="#section3">Section 3</a></li> 
      <li class="dropdown"><a class="dropdown-toggle" data-toggle="dropdown" href="#">Section 4 <span class="caret"></span></a> 
      <ul class="dropdown-menu"> 
       <li><a href="#section41">Section 4-1</a></li> 
       <li><a href="#section42">Section 4-2</a></li> 
      </ul> 
      </li> 
     </ul> 
     </div> 
    </div> 
    </div> 
</nav>  

<div id="section1" class="container-fluid"> 
    <h1>Section 1</h1> 
    <p>Try to scroll this section and look at the navigation bar while scrolling! Try to scroll this section and look at the navigation bar while scrolling!</p> 
    <p>Try to scroll this section and look at the navigation bar while scrolling! Try to scroll this section and look at the navigation bar while scrolling!</p> 
</div> 
<div id="section2" class="container-fluid"> 
    <h1>Section 2</h1> 
    <p>Try to scroll this section and look at the navigation bar while scrolling! Try to scroll this section and look at the navigation bar while scrolling!</p> 
    <p>Try to scroll this section and look at the navigation bar while scrolling! Try to scroll this section and look at the navigation bar while scrolling!</p> 
</div> 
<div id="section3" class="container-fluid"> 
    <h1>Section 3</h1> 
    <p>Try to scroll this section and look at the navigation bar while scrolling! Try to scroll this section and look at the navigation bar while scrolling!</p> 
    <p>Try to scroll this section and look at the navigation bar while scrolling! Try to scroll this section and look at the navigation bar while scrolling!</p> 
</div> 
<div id="section41" class="container-fluid"> 
    <h1>Section 4 Submenu 1</h1> 
    <p>Try to scroll this section and look at the navigation bar while scrolling! Try to scroll this section and look at the navigation bar while scrolling!</p> 
    <p>Try to scroll this section and look at the navigation bar while scrolling! Try to scroll this section and look at the navigation bar while scrolling!</p> 
</div> 
<div id="section42" class="container-fluid"> 
    <h1>Section 4 Submenu 2</h1> 
    <p>Try to scroll this section and look at the navigation bar while scrolling! Try to scroll this section and look at the navigation bar while scrolling!</p> 
    <p>Try to scroll this section and look at the navigation bar while scrolling! Try to scroll this section and look at the navigation bar while scrolling!</p> 
</div> 

</body> 
</html>

参考： https://www.w3schools.com/bootstrap/tryit.asp?filename=trybs_scrollspy_affix&stacked=h

来源

2017-11-23 17:13:51

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