復(fù)制代碼 代碼如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>伸縮的菜單</title>
<style>
<!--
body{
background-color:#ffdee0;
}
#navigation {
width:200px;
font-family:Arial;
}
#navigation > ul {
list-style-type:none;/* 不顯示項(xiàng)目符號(hào) */
margin:0px;
padding:0px;
}
#navigation > ul > li {
border-bottom:1px solid #ED9F9F;/* 添加下劃線 */
}
#navigation > ul > li > a{
display:block;/* 區(qū)塊顯示 */
padding:5px 5px 5px 0.5em;
text-decoration:none;
border-left:12px solid #711515;/* 左邊的粗紅邊 */
border-right:1px solid #711515;/* 右側(cè)陰影 */
}
#navigation > ul > li > a:link, #navigation > ul > li > a:visited{
background-color:#c11136;
color:#FFFFFF;
}
#navigation > ul > li > a:hover{ /* 鼠標(biāo)經(jīng)過(guò)時(shí) */
background-color:#990020;/* 改變背景色 */
color:#ffff00;/* 改變文字顏色 */
}
/* 子菜單的CSS樣式 */
#navigation ul li ul{
list-style-type:none;
margin:0px;
padding:0px 0px 0px 0px;
}
#navigation ul li ul li{
border-top:1px solid #ED9F9F;
}
#navigation ul li ul li a{
display:block;
padding:3px 3px 3px 0.5em;
text-decoration:none;
border-left:28px solid #a71f1f;
border-right:1px solid #711515;
}
#navigation ul li ul li a:link, #navigation ul li ul li a:visited{
background-color:#e85070;
color:#FFFFFF;
}
#navigation ul li ul li a:hover{
background-color:#c2425d;
color:#ffff00;
}
#navigation ul li ul.myHide{ /* 隱藏子菜單 */
display:none;
}
#navigation ul li ul.myShow{ /* 顯示子菜單 */
display:block;
}
-->
</style>
<script language="javascript">
function change(){
//通過(guò)父元素li，找到兄弟元素ul
var oSecondDiv = this.parentNode.getElementsByTagName("ul")[0];
//CSS交替更換來(lái)實(shí)現(xiàn)顯、隱
if(oSecondDiv.className == "myHide")
oSecondDiv.className = "myShow";
else
oSecondDiv.className = "myHide";
}
window.onload = function(){
var oUl = document.getElementById("listUL");
var aLi = oUl.childNodes;//子元素
var oA;
for(var i=0;i<aLi.length;i++){
//如果子元素為li，且這個(gè)li有子菜單ul
if(aLi[i].tagName == "LI" && aLi[i].getElementsByTagName("ul").length){
oA = aLi[i].firstChild;//找到超鏈接
oA.onclick = change;//動(dòng)態(tài)添加點(diǎn)擊函數(shù)
}
}
}
</script>
</head>
<body>
<div>
<ul>
<li><a href="#">Home</a></li>
<li><a href="#">News</a>
<ul>
<li><a href="#">Lastest News</a></li>
<li><a href="#">All News</a></li>
</ul>
</li>
<li><a href="#">Sports</a>
<ul>
<li><a href="#">Basketball</a></li>
<li><a href="#">Football</a></li>
<li><a href="#">Volleyball</a></li>
</ul>
</li>
<li><a href="#">Weather</a>
<ul>
<li><a href="#">Today's Weather</a></li>
<li><a href="#">Forecast</a></li>
</ul>
</li>
<li><a href="#">Contact Me</a></li>
</ul>
</div>
</body>
</html>
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