HTML CSS/JS底部导航栏向上滑动

本教程将介绍HTML CSS/JS底部导航栏向上滑动的处理方法,这篇教程是从别的地方看到的,然后加了一些国外程序员的疑问与解答,希望能对你有所帮助,好了,下面开始学习吧。

HTML CSS/JS底部导航栏向上滑动 教程 第1张

问题描述

我做了一些研究,似乎找不到我想要的东西。我的目标是在我的JS-app的底部有一个导航栏,当用户点击某个按钮时,它会启动一个动画,导航栏从应用程序的底部移动到应用程序的顶部。以下是我所做的一些编辑,以说明我的意思:

default position

after user presses "profile" button, for example

不确定哪个JS库会在这方面帮助我,也不确定是否有代码样例。这里的关键是,我不想让它在单击的任何按钮上移动,只移动到特定的按钮上。例如,如果用户在上面的示例中单击"Library",我希望它停留在底部。

有人知道我怎样才能做到这一点吗?

编辑:所以我这样做的原因是因为这是一个电子应用程序,我希望一些内容是本地的,一些内容是远程的。这就是为什么当用户按下"Library"时,我希望导航栏保持静止。然而,如果用户按下"配置文件",它将移动到顶部,并且"内容"窗口的行为有点像网络浏览器,因为它将在远程网络服务器上加载一个页面。我希望这能帮上忙。感谢您提供的所有信息!

编辑2:有点离题,但是我得到了这个奇怪的填充物,我不确定是从哪里来的:

weird space

编辑3:

以下是HTML和CSS:

<!DOCTYPE html>
<html>
<head>
 <meta charset="utf-8">
 <title></title>
 <script type="text/javascript" src="renderer.js"></script>
 <script 
src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"> 
 </script>
 <link rel="stylesheet" href="styles.css">
<body>
<script>
  function toggleNavLocation() {
 //alert('clciiikkkked');
 $('nav').toggleClass('top');
  }
</script>
<nav>
  <div id="logo_container"><img id="logo" 
 src="./assets/images/poscon_nav.jpg" width="100px" height="55px" /></div>
  <div id="navitems">
  <ul>
 <li id="dashboard">DASHBOARD</li>
 <li id="pilotclient">PILOT CLIENT</li>
 <li id="livemap">LIVE MAP</li>
 <li id="community">COMMUNITY</li>
 <li id="profile" onclick="toggleNavLocation()">PROFILE</li>
 <li id="training">TRAINING</li>
 <li id="support">SUPPORT</li>
 <li id="library">LIBRARY</li>
  </ul>
  </div>
</nav>

<div id="right_content">
  <div id="user_pane">
 <span id="username"></span>
  </div>
</div>

<div id="center_content">

</div>

<div id="left_content">

</div>

 </body>
</html>

css

 body {
  font-family: "Arial", Serif;
  background-color: rgb(27, 27, 27);
  overflow-x: hidden;
  overflow-y: hidden;
 }

 nav {
  position: absolute;
  bottom: 0;
  left: 0;
  width:850;
  height:75px;
  background: rgb(27, 27, 80);
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -o-transition: all 1s ease;
  -ms-transition: all 1s ease;
  transition: all 1s ease;
 }

 nav.top {
  bottom:calc(100% - 50px);
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -o-transition: all 1s ease;
  -ms-transition: all 1s ease;
  transition: all 1s ease;
 }

 #dashboard, #pilotclient, #livemap, #community, #profile, #training, 
 #support, #library, #search_img {
  font-size: 11px;
  color: rgb(81, 81, 81);
  padding-top: 22px;
  display: inline-block;
  width: 75px;
  height:75px;
  background:rgb(27, 27, 27);
  text-align:center;
 }

#dashboard:hover, #pilotclient:hover, #livemap:hover, #community:hover, 
#profile:hover, #training:hover, #support:hover, #library:hover {
  background: #252525;
}

#logo_container {
 display: inline-block;
 position: absolute;
 left: 10px;
 bottom: 2px;
}

#navitems {
 display: inline-block;
 margin-left: 150px;
 height: 100px;
}

#right_content {
 width: 250px;
 height: 575px;
 position: absolute;
 top: 0px;
 right: 0px;
 background-color: red;
}

#center_content {
 width: 500px;
 height: 575px;
 position:absolute;
 top: 0px;
 right: 250px;
 background-color: blue;
}

#left_content {
 width: 250px;
 height: 575px;
 position:absolute;
 top: 0px;
 left: 0px;
 background-color: green;
}

#user_pane {
 width: 250px;
 height: 250px;
 position: absolute;
 top: 0px;
 right: 0px;
 background-color: green;
}

#username {
 width: 200px;
 height: 25px;
 position: absolute;
 top: 175px;
 left: 20px;
 text-align: center;
 background-color: white;
}

推荐答案

您可以使用一些JS向您的导航栏添加一个类来制作动画,并且您可以在单击具有特定ID的按钮时添加此类。

下面是演示这一点的代码片段:

$('#profile').on('click', function(){
  toggleNavLocation();
});

function toggleNavLocation() {
$('nav').toggleClass('top');
}
nav {
  width:100vw;
  height:50px;
  background:#000;
  bottom: 0;
  color:#fff;
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -o-transition: all 1s ease;
  -ms-transition: all 1s ease;
  transition: all 1s ease;
  position: absolute;
}

nav.top {
  bottom:calc(100% - 50px);
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -o-transition: all 1s ease;
  -ms-transition: all 1s ease;
  transition: all 1s ease;
}

li {
display:inline-block;
width:100px;
height:25px;
background:rgba(255,255,255,0.2);
text-align:center;
line-height:25px;
cursor:pointer;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<html>
<body>
<nav>
<ul>
<li id="profile">Profile</li>
<li id="library">Library</li>
</ul>
</nav>
</body>
</html>

如果您不想让它有动画效果,只需跳到顶部或底部,则可以删除所有这些行:

-webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -o-transition: all 1s ease;
  -ms-transition: all 1s ease;
  transition: all 1s ease;

以下是演示这一点的代码片段:

$('#profile').on('click', function(){
  toggleNavLocation();
});

function toggleNavLocation() {
$('nav').toggleClass('top');
}
nav {
  width:100vw;
  height:50px;
  background:#000;
  bottom: 0;
  color:#fff;
  position: absolute;
}

nav.top {
  bottom:calc(100% - 50px);
}

li {
display:inline-block;
width:100px;
height:25px;
background:rgba(255,255,255,0.2);
text-align:center;
line-height:25px;
cursor:pointer;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<html>
<body>
<nav>
<ul>
<li id="profile">Profile</li>
<li id="library">Library</li>
</ul>
</nav>
</body>
</html>

这些示例提供了一些JQuery,但是如果您想要纯JS,您应该能够将其移植到Vanilla,并在我提供的代码中稍加考虑。

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