分別用兩個函數實現的菜單

2019-11-21 02:04:42

字體：大中小

來源：轉載

供稿：網友

css+div做的菜單：一個主顯示層，別的列表都隱藏著，用js函數設置列表的顯示和隱藏。分別用到了兩個函數，函數實現的效果是一樣的，一個是參考的《css+Dhtml精髓》書上的事例，一個是找的函數。
大家幫我看看那個函數好用！還有大家還有別的更好的方法實現這個效果嗎？謝謝！！

<font color=red><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>菜單</title>  <style type="text/css">    </style>    <script language="javascript">//判斷瀏覽器         browser = navigator.appName;         browserNum = parseInt(navigator.appVersion);                  if ((browser == "Netscape") && (browserNum < 5))         {             // Netscape 4.x             layerRef = "document.layers['";             endLayerRef = "']";             styleRef = "";         }         else if ((browser == "Netscape") && (browserNum >= 5))         {             // Netscape 6             layerRef = "document.getElementById('";             styleRef = ".style";             endLayerRef = "')";         }         else         {             // Internet Explorer             layerRef = "document.all['";             endLayerRef = "']";             styleRef = ".style";         }     //第一個函數         function showMenu(layerName)         {             // show the layer the user wants to see             eval(layerRef + layerName + endLayerRef + styleRef + ".visibility = 'visible'");             }          function hiddenMenu(layerName)         {             // hidden the layer               eval(layerRef + layerName + endLayerRef + styleRef + ".visibility = 'hidden'");             }                           //第一個函數                          //第二個函數                 function MM_showHideLayers()      {          var i,p,v,obj,args=MM_showHideLayers.arguments;         for (i=0; i<(args.length-2); i+=3)              if ((obj=MM_findObj(args[i]))!=null)              {                  v=args[i+2];                 if (obj.style)                  {                      obj=obj.style;                      v=(v=='show')?'visible':(v='hide')?'hidden':v;                  }                 obj.visibility=v;              }     }       function MM_findObj(n, d)     {         var p,i,x;         if(!d)             d=document;         if((p=n.indexOf("?"))>0&&parent.frames.length)         {             d=parent.frames[n.substring(p+1)].document;             n=n.substring(0,p);         }         if(!(x=d[n])&&d.all)             x=d.all[n];          for (i=0;!x&&i<d.forms.length;i++)             x=d.forms[i][n];         for(i=0;!x&&d.layers&&i<d.layers.length;i++)             x=MM_findObj(n,d.layers[i].document);         if(!x && document.getElementById)             x=document.getElementById(n);         return x;     }     //第二個函數             </script>                           </head> <body>  <div   class="iwvjtn8m0"   id="nav">  <ul id="ul">      <li><a href="#" onMouseOver="javascript:showMenu('shui')";         onMouseOut="javascript:hiddenMenu('shui')"  >水果/水果</a> </li>          <li><a href="#"   onmouseover="javascript:MM_showHideLayers('hua','','show')";                  onmouseout="javascript:MM_showHideLayers('hua','','hide')">花卉/花卉/花卉</a></li>                                           <li><a href="#"  onmouseover="javascript:MM_showHideLayers('che','','show')";                  onmouseout="javascript:MM_showHideLayers('che','','hide')">汽車/汽車</a></li> <li><a href="#" onmouseover="javascript:MM_showHideLayers('shui','','show')";                  onmouseout="javascript:MM_showHideLayers('shui','','hide')">水果2</a></li> <li><a href="#" onmouseover="javascript:MM_showHideLayers('hua','','show')";                  onmouseout="javascript:MM_showHideLayers('hua','','hide')" >花卉/花卉/花卉2</a></li> <li><a href="#" onmouseover="javascript:MM_showHideLayers('che','','show')";                  onmouseout="javascript:MM_showHideLayers('che','','hide')">汽車/汽車2</a></li> <li><a href="#" onmouseover="javascript:MM_showHideLayers('shui','','show')";                  onmouseout="javascript:MM_showHideLayers('shui','','hide')">水果3</a></li> <li><a href="#" onmouseover="javascript:MM_showHideLayers('hua','','show')";                  onmouseout="javascript:MM_showHideLayers('hua','','hide')">花卉/花卉3</a></li> <li><a href="#" onmouseover="javascript:MM_showHideLayers('che','','show')";                  onmouseout="javascript:MM_showHideLayers('che','','hide')">汽車/汽車/汽車3</a></li> </ul>   </div>     <ul  id="shui"  onMouseOver="javascript:showMenu('shui')";         onMouseOut="javascript:hiddenMenu('shui')" > <li><a href="#" >蘋果</a></li> <li><a href="#" >香蕉</a></li> <li><a href="#" >獼猴桃</a></li> <li><a href="#" >火龍果</a></li> <li><a href="#" >蘋果2</a></li> <li><a href="#" >香蕉2</a></li> <li><a href="#" >獼猴桃2</a></li> <li><a href="#" >火龍果2</a></li> <li><a href="#" >獼猴桃3</a></li> <li><a href="#" >火龍果3</a></li> </ul> <ul  id="hua"   onmouseover="javascript:MM_showHideLayers('hua','','show')";                  onmouseout="javascript:MM_showHideLayers('hua','','hide')"> <li><a href="#" >菊花</a></li> <li><a href="#" >玫瑰</a></li> <li><a href="#" >牡丹</a></li> <li><a href="#" >茉莉</a></li> <li><a href="#" >君子蘭</a></li> <li><a href="#" >虞美人</a></li> <li><a href="#" >喇叭花2</a></li> <li><a href="#" >桂花2</a></li> </ul> <ul  id="che"  onmouseover="javascript:MM_showHideLayers('che','','show')";                  onmouseout="javascript:MM_showHideLayers('che','','hide')"> <li><a href="#" >大眾</a></li> <li><a href="#" >奧迪</a></li> <li><a href="#" >寶馬</a></li> <li><a href="#" >奔馳</a></li> <li><a href="#" >保時捷</a></li> <li><a href="#" >福特</a></li> <li><a href="#" >克萊斯勒</a></li> <li><a href="#" >法拉利</a></li> <li><a href="#" >克萊斯勒2</a></li> <li><a href="#" >法拉利2</a></li> </ul>     </body> </html> </font>

[Ctrl+A 全選注:如需引入外部Js需刷新才能執行]

上一篇：非常不錯的模擬打字效果，目前僅支持純文本、BR標簽、和P標簽

下一篇：國外JavaScript經典封裝集合整理第1/3頁