本文實例講述了JS+CSS實現經典的左側豎向滑動菜單效果。分享給大家供大家參考。具體如下：
這是一款經過改造的左側豎向滑動菜單，基于JavaScript+CSS，沒有過多的修飾，主要想實現菜單的動畫效果，想用的朋友，自己美化吧。
運行效果截圖如下：
在線演示地址如下：
http://demo.VeVB.COm/js/2015/js-css-jd-left-v-hd-menu-style-codes/
具體代碼如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"><html xmlns="http://www.w3.org/1999/xhtml"><title>經過改造的左側豎向滑動菜單</title><style type="text/css">body{ margin:10px; padding:10px;}a:link { text-decoration: none;color: blue} a:active { text-decoration:blink} a:hover { text-decoration:underline;color: red} a:visited { text-decoration: none;color: green} body,td,div,span,li{ font-size:12px;}.title01,.title02{ color:#00b; font-weight:bold;}#DoorP{ width:200px; height:300px; padding:0px; background:#FFFCF2;}.title01{ width:100%; height:25px; background:#FFFCF2; cursor:pointer;}.title02{ width:100%; height:25px; background:#FFFCF2; cursor:pointer;}.content{ background:#FFFCF2; border-bottom:2px solid #fff; overflow:hidden; color:#666; padding-left:4px; padding-right:4px; line-height:18px;}.curved { width:202px; } .curved .b1, .curved .b2, .curved .b3, .curved .b4 { font-size:1px; display:block; background:#FFFCF2; overflow: hidden; } .curved .b1, .curved .b2, .curved .b3 { height:1px; } .curved .b2, .curved .b3, .curved .b4 { background:#FFFCF2; border-left:1px solid #C7BC98; border-right:1px solid #C7BC98; } .curved .b1 { margin:0 4px; background:#C7BC98; } .curved .b2 { margin:0 2px; border-width:0 2px; } .curved .b3 { margin:0 1px; } .curved .b4 { height:2px; margin:0; } .curved .c1 { margin:0 5px; background:#C7BC98; } .curved .c2 { margin:0 3px; border-width:0 2px; } .curved .c3 { margin:0 2px; } .curved .c4 { height:2px; margin: 0 1px; } .curved .boxcontent { display:block; background:transparent; border-left:1px solid #C7BC98; border-right:1px solid #C7BC98; font-size:0.9em; text-align:justify; } </style><div class="curved"> <b class="b1 c1"></b> <b class="b2 c2"></b> <b class="b3 c3"></b> <b class="b4 c4"></b> <div class="boxcontent"> <div id="DoorP"> <table> <tr> <td align="center"> 第一層信息 </td> </tr> </table> <div class="content" align="center"> <a href="#">二層</a><br/> 二層<br/> 二層<br/> </div> <b class="b1"></b> <b class="b2"></b> <b class="b3"></b> <b class="b4"></b> <table> <tr> <td align="center"> 第二層信息 </td> </tr> </table><div class="content" align="center"> <a href="#">二層</a><br/> 二層<br/> 二層<br/> </div> <b class="b1"></b> <b class="b2"></b> <b class="b3"></b> <b class="b4"></b> <table> <tr> <td align="center"> 第三層信息 </td> </tr> </table><div class="content" align="center"> <a href="#">二層</a><br/> 二層<br/> 二層<br/> </div></div></div> <b class="b4 c4"></b> <b class="b3 c3"></b> <b class="b2 c2"></b> <b class="b1 c1"></b> <script type="text/javascript"> var open = 2; var openState = new Array(); var closeState = new Array(); var dH = 220; function $(id){ if(document.getElementById(id)) { return document.getElementById(id); } else { alert("沒有找到!"); } } function $tag(id,tagName){ return $(id).getElementsByTagName(tagName) } function closeMe(Cid,Oid){ var h = parseInt(Ds[Cid].style.height); //alert(h); if(h > 2) { h = h - Math.ceil(h/3); Ds[Cid].style.height = h+"px"; } else { openMe(Oid); clearTimeout(closeState[Cid]); return false; } closeState[Cid] = setTimeout("closeMe("+Cid+","+Oid+")"); } function openMe(Oid){ var h = parseInt(Ds[Oid].style.height); //alert(h); if(h < dH) { h = h + Math.ceil((dH-h)/3); Ds[Oid].style.height = h+"px"; } else { clearTimeout(openState[Oid]); return false; } openState[Oid] = setTimeout("openMe("+Oid+")"); } var Ds = $tag("DoorP","div"); var Ts = $tag("DoorP","table"); if(Ds.length != Ts.length) { alert("標題和內容數目不相同!"); } for(var i = 0 ; i < Ds.length ; i++) { if(i==open) { Ds[i].style.height = dH+"px"; Ts[i].className="title01"; } else { Ds[i].style.height = "0px"; Ts[i].className="title02"; } Ts[i].value = i; Ts[i].onclick = function(){ if(open==this.value) { return false; } Ts[open].className="title02"; Ts[this.value].className="title01"; for(var i = 0 ; i < openState.length ; i++) { clearTimeout(openState[i]); clearTimeout(closeState[i]); } closeMe(open,this.value); //openMe(this.value); open = this.value; } } function showDiv(id){ Ds[id].style.height=dH+"px"; Ds[open].style.height="0px"; open = id; }</script>希望本文所述對大家的JavaScript程序設計有所幫助。
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