html代码
<!DOCTYPE html> <html> <head> <title>tab测试</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-" /> <link href="https://www.jb51.net/css/tab.css" type="text/css" /> <script type="text/javascript" src="https://www.jb51.net/js/tab-min.js"></script> </head> <body> <div> <!-- tabHead --> <ul> <li><a href="javascript:void()">交易安全</a></li> <li><a href="javascript:void()">淘宝大学</a></li> <li><a href="javascript:void()">爱心</a></li> </ul> <!-- tabPanel--> <ul> <li></li> <li></li> <li></li> </ul> </div> <script type="text/javascript"> tabPanel({"panel":"tab"});//panel为必填项，default、defalutStyle、hoverStyle为选填项 </script> </body> </html>
js代码
function tabPanel(param){ var defaultIndex=param["default"]||,//设置显示的页面 panelobj=param["panel"],//设置tab容器 defalutClass=param["defalutStyle"]||"",//设置tab菜单项的普通样式 hoverClass=param["hoverStyle"]||"hover",//设置鼠标移到tab菜单项的样式 currentIndex=defaultIndex, menus=_$(panelobj).getElementsByTagName("ul")[].getElementsByTagName("li"), contents=_$(panelobj).getElementsByTagName("ul")[].getElementsByTagName("li"), menuNumber=menus.length, hidden="hidden"; for(var i=;i<menuNumber;i++){ _setClass(contents[],hoverClass); _setClass(contents[i],hidden); _setClass(menus[i],defalutClass); (function(i){ menus[i].onmouseover=function(){ var old=menus[currentIndex]; _setClass(old,defalutClass); _setClass(contents[currentIndex],hidden); var cur=menus[i]; _setClass(cur,hoverClass); currentIndex=i; _setClass(contents[i],""); }; })(i); } _setClass(menus[currentIndex],hoverClass); _setClass(contents[currentIndex],""); //便利函数 function _setClass(obj,className){obj.className=className} function _$(oid){return typeof(oid) == "string"?document.getElementById(oid):oid} }
css代码
#tab{border:px solid #ccc;} #tab .tab-bd{border-top:none;margin: auto;padding:px;text-align:left;height:px;position:relative} .tab-nav{margin: auto;padding:;background:#eee;height:px;} .tab-nav li{display:inline;list-style:none outside none;width:px;height:px;float:left;line-height:px;text-align:center;} .tab-nav li a{color:#;display:inline-block} .tab-nav li a:hover,.tab-nav li.hover a{text-decoration:none;background:#fff;color:#;display:block; } .hidden{display:none}
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