原生js和jQuery寫的網頁選項卡特效對比
總的來說思路比較簡單，就是先獲取節點，然後對節點進行相應的處理,下面是完整的頁面代碼：
原生js：
? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <title>原生js tab</title> <style type="text/css"> .tab{ margin:10px auto; position:relative; width:300px; } ul,li{ list-style-type:none; padding:0; margin:0; font:13px/20px SimSun,arial; color:#333; text-align:center; } .tabTltle ul li{ float:left; position:relative; background:#fefefe; background:-webkit-gradient(linear,left top,left bottom, from(#fefefe), to(#ededed)); padding:7px 15px; border:1px #ddd solid; margin-right:-1px; cursor:pointer; } .tabTltle ul li.active{ background:#fff; font-weight: bold; } .clearfix{ } .clearfix:after{ display:block; clear:both; overflow:hidden; content:""; } .tabConn{ border:1px #eee solid; position:relative; height:100px } .tabConn div{ position:absolute; opacity:0; filter:alpha(opacity=0); padding:5px; text-align:center; width:100%; } .tabConn div.current{ opacity:1; filter:alpha(opacity=100); } </style> </head> <body> <div id="tab" class="tab"> <div class="tabTltle"> <ul class="clearfix"> <li class="active">標題一</li> <li>標題二</li> <li>標題三</li> <li>標題四</li> </ul> </div> <div class="tabConn"> <div class="current">aaaaaaaaaaaaaaa</div> <div>bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb</div> <div>cccccccccccccccccccccccccccccccc</div> <div>ddddddddddddddddddddddddddddd</div> </div> </div> <script type="text/javascript"> (function(){ var tab = document.getElementById("tab"); var tabList = tab.getElementsByTagName("div")[0].getElementsByTagName("li"); var tabConn = tab.getElementsByTagName("div")[1].getElementsByTagName("div");for(var i=0;i<tabList.length;i++){ tabList[i].index = i; tabList[i].onclick = function(){ showConn(this.index); } } function showConn(_index){ var index = _index;for(var j=0;j<tabList.length;j++){ tabList[j].className = ""; tabConn[j].className = ""; tabConn[j].style.opacity=0; } tabConn[index].className="current"; tabList[index].className="active"; } })(); </script> </body> </html>下面我們來看一下jQuery寫的（css共用,需要引進jQuery庫）：
? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <title>jQuery tab</title> <script type="text/javascript" src="js/jquery-1.8.1.min.js"></script> <style type="text/css"> .tab{ margin:10px auto; position:relative; width:300px; } ul,li{ list-style-type:none; padding:0; margin:0; font:13px/20px SimSun,arial; color:#333; text-align:center; } .tabTltle ul li{ float:left; position:relative; background:#fefefe; background:-webkit-gradient(linear,left top,left bottom, from(#fefefe), to(#ededed)); padding:7px 15px; border:1px #ddd solid; margin-right:-1px; cursor:pointer; } .tabTltle ul li.active{ background:#fff; font-weight: bold; } .clearfix{ } .clearfix:after{ display:block; clear:both; overflow:hidden; content:""; } .tabConn{ border:1px #eee solid; position:relative; height:100px } .tabConn div{ position:absolute; opacity:0; filter:alpha(opacity=0); padding:5px; text-align:center; width:100%; } .tabConn div.current{ opacity:1; filter:alpha(opacity=100); } </style> </head> <body> <h3>jQuery寫的選項卡:</h3> <div id="tab2" class="tab"> <div class="tabTltle tab-title"> <ul class="clearfix"> <li class="active">標題一</li> <li>標題二</li> <li>標題三</li> <li>標題四</li> </ul> </div> <div class="tabConn tab-conn"> <div class="current">aaaaaaaaaaaaaaa</div> <div>bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb</div> <div>cccccccccccccccccccccccccccccccc</div> <div>ddddddddddddddddddddddddddddd</div> </div> </div> <script type="text/javascript"> $(document).ready(function(){ var $tabTitle = $('.tab-title').find('li'); var $tabList = $('.tab-conn > div'); $tabTitle.click(function(){ $tabTitle.each(function(){ $tabTitle.removeClass('active'); }); var index = $tabTitle.index(this); $(this).addClass('active'); $tabList.eq(index).addClass('current').siblings().removeClass('current'); }); }); </script> </body> </html>是不是簡單了好多！
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