用JS做的简单的可折叠的两级树形菜单

网络编程 2024/11/15 佚名

3 2 1

复制代码代码如下:
<!DOCTYPEhtml PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<hrad>
<metahttp-equiv="content-type"content="text/html;charset=utf-8">
<title>可折叠的两级菜单</title>
<styletype="text/css">

</style>
<scriptlanguage="javascript">
window.onload=function(){
varlistUL=document.getElementById("listUL");
varolist=listUL.childNodes;
varoa=0;
for(var i = 0; i < olist.length; i++) {
if(olist[i].tagName=="LI"&&olist[i].getElementsByTagName("ul")[0]){
oa=olist[i];
oa.onclick=change;
}

}
functionchange(){
varos=this.getElementsByTagName("ul")[0];
if(os.className=="myHide")
os.className="myShow";
else
os.className="myHide";
}
}
</script>
</hrad>
<body>
<divid="navigation">
<ulid="listUL">
<li>
<divclass="txt">Home</div>
</li>
<li>
<divclass="txt">news</div>
<ulclass="myHide">
<li><ahref="#">lastest news</a></li>
<li><ahref="#">all news</a></li>
</ul>
</li>
<li>
<divclass="txt">sports</div>
<ulclass="myHide">
<li><ahref="#">lastest news</a></li>
<li><ahref="#">all news</a></li>
</ul>
</li>
<li>
<divclass="txt">weather</div>
<ulclass="myHide">
<li><ahref="#">lastest news</a></li>
<li><ahref="#">all news</a></li>
</ul>
</li>
</ul>
</div>
</body>
</html>

折叠菜单,树形菜单