html实现树形结构(精简代码)
1<style>
2 A{margin-left:20px;width:100px;border:1px solid gray;float:left;clear:both;cursor:hand;}
3 B{width:100px;border:1px solid gray;float:left;clear:both;cursor:default;}
4</style>
5<B >A</B>
6 <A >1</A><A>2</A>
7<B >B</B>
8 <A >4</A><A >5</A><A >6</A>
9
10<SCRIPT LANGUAGE="JavaScript">
11var B_Tags=document.getElementsByTagName("B" );
12for(var i=0;i<B_Tags.length;i++)
13{
14 B_Tags[i].onclick=function (){
15 change(event.srcElement);
16 event.cancelBubble=true;
17 }
18}
19var c=0;
20function change(obj)
21{
22 var myobj=obj.nextSibling;
23 while(myobj.tagName!="B" && myobj.tagName!="SCRIPT" )
24 {
25 if(myobj.tagName!=null)
26 {
27 myobj.style.display=(myobj.style.display=="none")?"":"none";
28 }
29 myobj=myobj.nextSibling;
30 }
31}
32</SCRIPT>
2 A{margin-left:20px;width:100px;border:1px solid gray;float:left;clear:both;cursor:hand;}
3 B{width:100px;border:1px solid gray;float:left;clear:both;cursor:default;}
4</style>
5<B >A</B>
6 <A >1</A><A>2</A>
7<B >B</B>
8 <A >4</A><A >5</A><A >6</A>
9
10<SCRIPT LANGUAGE="JavaScript">
11var B_Tags=document.getElementsByTagName("B" );
12for(var i=0;i<B_Tags.length;i++)
13{
14 B_Tags[i].onclick=function (){
15 change(event.srcElement);
16 event.cancelBubble=true;
17 }
18}
19var c=0;
20function change(obj)
21{
22 var myobj=obj.nextSibling;
23 while(myobj.tagName!="B" && myobj.tagName!="SCRIPT" )
24 {
25 if(myobj.tagName!=null)
26 {
27 myobj.style.display=(myobj.style.display=="none")?"":"none";
28 }
29 myobj=myobj.nextSibling;
30 }
31}
32</SCRIPT>