javascript FAQ函数(提问+回复)
script type="text/javascript">
onload = function(){
faq(document.getElementsByTagName("dl")[0], "dt", "dd");
/*
* faq函数:elem是父元素,qTag是标题元素,aTag是内容元素
*/
}
function faq(elem, qTag, aTag){
aTag = aTag || "dd"; //提供默认值,下同
qTag = qTag || "dt";
elem = elem || document;
var dds = elem.getElementsByTagName(aTag);
for (var i = 0, len = dds.length; i < len; i++) {
dds[i].style.display = "none";
}
var dts = elem.getElementsByTagName(qTag);
for (var i = 0, len = dts.length; i < len; i++) {
dts[i].style.cursor = "hand";
dts[i].onclick = function(){
var next = this.nextSibling;
//获得当前元素的下一个元素的引用
while (next.nodeType != 1) {
next = next.nextSibling;
}
if (next.style.display != "none") {
next.style.display = "none";
}
else {
next.style.display = "block";
}
}
}
}
</script>
测试代码:
Untitled Document
onload = function(){
faq(document.getElementsByTagName("dl")[0], "dt", "dd");
/*
* faq函数:elem是父元素,qTag是标题元素,aTag是内容元素
*/
}
function faq(elem, qTag, aTag){
aTag = aTag || "dd"; //提供默认值,下同
qTag = qTag || "dt";
elem = elem || document;
var dds = elem.getElementsByTagName(aTag);
for (var i = 0, len = dds.length; i
dd {
background: #eee;
border: 1px solid #ccc;
margin-left: 2px;
padding: 4px;
}
- One question:What are ready to do?
-
What I want to do is you,do you understand my feeling to you.
I hope you are the same to me.
- Two questing:What do you want?
- I want to see you now,I miss you so much,I want to see you at this moment.
- Three question:Do you want to have a girlfriend?
- I think everyone want it so much,me too,I want to have someone talk to me everyday.
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]