简易CSS3 Tab菜单 Tab切换滑块动画

该文作者html5tricks，二次转载请注明出处

今天要分享一款简易的CSS3 Tab菜单，这款Tab菜单在切换的时候内容块出现飞入飞出的动画效果，尽管看起来非常简单，但是你完全可以在上面定制自己喜欢的Tab菜单，这是在线演示地址。我们需要先将jquery.js 下载放到本地。

HTML代码

<!DOCTYPE html>
<html>

<head>

  <meta charset="UTF-8">

  <title>简易CSS3 Tab菜单DEMO演示</title>

  <link rel="stylesheet" href="css/normalize.css">

    <link rel="stylesheet" href="css/style.css" media="screen" type="text/css" />

</head>

<body>

  <figure class="tabBlock">
  <ul class="tabBlock-tabs">
    <li class="tabBlock-tab is-active">Tab 1</li>
    <li class="tabBlock-tab">Tab 2</li>
  </ul>
  <div class="tabBlock-content">
    <div class="tabBlock-pane">
      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Molestias molestiae atque quis blanditiis eaque maiores ducimus optio neque debitis quos dolorum odit unde quibusdam tenetur quaerat magni eius quod tempore.</p>
    </div>
    <div class="tabBlock-pane">
      <ul>
        <li>Lorem ipsum dolor sit amet.</li>
        <li>Minima mollitia tenetur nesciunt modi?</li>
        <li>Id sint fugit et sapiente.</li>
        <li>Nam deleniti libero obcaecati pariatur.</li>
        <li>Nemo optio iste labore similique?</li>
      </ul>
    </div>
  </div>
</figure>
<div style="text-align:center;clear:both">
<script src="/gg_bd_ad_720x90.js" type="text/javascript"></script>
<script src="/follow.js" type="text/javascript"></script>
</div>
<figure class="tabBlock">
  <ul class="tabBlock-tabs">
    <li class="tabBlock-tab">Tab 1</li>
    <li class="tabBlock-tab is-active">Tab 2</li>
  </ul>
  <div class="tabBlock-content">
    <div class="tabBlock-pane">
      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Sint et accusamus cumque soluta iste quasi ad blanditiis expedita minus quos amet neque illo praesentium nostrum asperiores quisquam atque est repudiandae assumenda ipsum repellat ipsa impedit! Ipsum unde sapiente exercitationem tenetur repellendus nemo harum reiciendis ipsam quo iusto esse temporibus itaque.</p>
    </div>
    <div class="tabBlock-pane">
      <ul>
        <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Voluptas rem.</li>
        <li>Id atque earum similique repellat nesciunt odio veniam commodi reprehenderit.</li>
        <li>Est placeat voluptatibus id impedit perspiciatis repellat libero sequi rerum?</li>
        <li>Tempora impedit dolorum illum rem fuga voluptas molestias maiores vitae.</li>
        <li>Facilis adipisci vel atque consequuntur mollitia iusto saepe optio placeat.</li>
        <li>Et culpa molestias laboriosam aperiam alias nihil fugit ad illum.</li>
      </ul>
    </div>
  </div>
</figure>

  <script src='js/jquery.js'></script>

  <script src="js/index.js"></script>

</body>

</html>

CSS代码

normalize.css

html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,hgroup,main,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background:transparent}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px dotted}b,strong{font-weight:bold}dfn{font-style:italic}h1{font-size:2em;margin:0.67em 0}mark{background:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sup{top:-0.5em}sub{bottom:-0.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:1em 40px}hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0}pre{overflow:auto}code,kbd,pre,samp{font-family:monospace, monospace;font-size:1em}button,input,optgroup,select,textarea{color:inherit;font:inherit;margin:0}button{overflow:visible}button,select{text-transform:none}button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}input{line-height:normal}input[type="checkbox"],input[type="radio"]{-moz-box-sizing:border-box;box-sizing:border-box;padding:0}input[type="number"]::-webkit-inner-spin-button,input[type="number"]::-webkit-outer-spin-button{height:auto}input[type="search"]{-webkit-appearance:textfield;-moz-box-sizing:content-box;box-sizing:content-box}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none}fieldset{border:1px solid #c0c0c0;margin:0 2px;padding:0.35em 0.625em 0.75em}legend{border:0;padding:0}textarea{overflow:auto}optgroup{font-weight:bold}table{border-collapse:collapse;border-spacing:0}td,th{padding:0}

style.css

.group::after, .tabBlock-tabs::after {
  clear: both;
  content: "";
  display: table;
}

*, ::before, ::after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

body {
  color: #222222;
  font-family: "Source Sans Pro", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  line-height: 1.5;
  margin: 0 auto;
  max-width: 50rem;
  padding: 2.5rem 1.25rem;
}
@media screen and (min-width: 700px) {
  body {
    font-size: 137.5%;
  }
}

p, ol, ul {
  margin-bottom: 1.25rem;
  margin-top: 0;
}

ol, ul {
  padding: 0;
  margin-left: 1.25rem;
}

.unstyledList, .tabBlock-tabs {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tabBlock {
  margin: 0 0 2.5rem;
}

.tabBlock-tab {
  background-color: white;
  border-color: #d8d8d8;
  border-left-style: solid;
  border-top: solid;
  border-width: 2px;
  color: #b5a8c5;
  cursor: pointer;
  display: inline-block;
  font-weight: 600;
  float: left;
  padding: 0.625rem 1.25rem;
  position: relative;
  -webkit-transition: 0.1s ease-in-out;
  transition: 0.1s ease-in-out;
}
.tabBlock-tab:last-of-type {
  border-right-style: solid;
}
.tabBlock-tab::before, .tabBlock-tab::after {
  content: "";
  display: block;
  height: 4px;
  position: absolute;
  -webkit-transition: 0.1s ease-in-out;
  transition: 0.1s ease-in-out;
}
.tabBlock-tab::before {
  background-color: #b5a8c5;
  left: -2px;
  right: -2px;
  top: -2px;
}
.tabBlock-tab::after {
  background-color: transparent;
  bottom: -2px;
  left: 0;
  right: 0;
}
@media screen and (min-width: 700px) {
  .tabBlock-tab {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}
.tabBlock-tab.is-active {
  position: relative;
  color: #975997;
  z-index: 1;
}
.tabBlock-tab.is-active::before {
  background-color: #975997;
}
.tabBlock-tab.is-active::after {
  background-color: white;
}

.tabBlock-content {
  background-color: white;
  border: 2px solid #d8d8d8;
  padding: 1.25rem;
}

.tabBlock-pane > :last-child {
  margin-bottom: 0;
}

Javascript代码

index.js

var TabBlock = {
  s: {
    animLen: 200
  },
  
  init: function() {
    TabBlock.bindUIActions();
    TabBlock.hideInactive();
  },
  
  bindUIActions: function() {
    $('.tabBlock-tabs').on('click', '.tabBlock-tab', function(){
      TabBlock.switchTab($(this));
    });
  },
  
  hideInactive: function() {
    var $tabBlocks = $('.tabBlock');
    
    $tabBlocks.each(function(i) {
      var 
        $tabBlock = $($tabBlocks[i]),
        $panes = $tabBlock.find('.tabBlock-pane'),
        $activeTab = $tabBlock.find('.tabBlock-tab.is-active');
      
      $panes.hide();
      $($panes[$activeTab.index()]).show();
    });
  },
  
  switchTab: function($tab) {
    var $context = $tab.closest('.tabBlock');
    
    if (!$tab.hasClass('is-active')) {
      $tab.siblings().removeClass('is-active');
      $tab.addClass('is-active');
   
      TabBlock.showPane($tab.index(), $context);
    }
   },
  
  showPane: function(i, $context) {
    var $panes = $context.find('.tabBlock-pane');
   
    // Normally I'd frown at using jQuery over CSS animations, but we can't transition between unspecified variable heights, right? If you know a better way, I'd love a read it in the comments or on Twitter @johndjameson
    $panes.slideUp(TabBlock.s.animLen);
    $($panes[i]).slideDown(TabBlock.s.animLen);
  }
};

$(function() {
  TabBlock.init();
});

简易CSS3 Tab菜单 Tab切换滑块动画

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