<body>
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<script language="javascript">
//實現(xiàn)左右select誆的左右對換
? function goleft(){
???? var myleft = document.getElementById("left");
???? var myright = document.getElementById("right");
? var child1= myright.options[myright.options.selectedIndex];?
? myright.removeChild(child1);?
? myleft.appendChild(child1);?
? }
?? function goright(){
???? var myleft = document.getElementById("left");
???? var myright = document.getElementById("right");
? var child = myleft.options[myleft.options.selectedIndex];?
? myleft.removeChild(myleft.options[myleft.options.selectedIndex]);?
? myright.appendChild(child);?
? }
? function gorightall(){????
???? var myleft = document.getElementById("left");
???? var myright = document.getElementById("right");
? var mylen = myleft.options.length;
? var childd;
? for (var i=0; i<mylen;i++){
???? childd = myleft.options[0];
???? myleft.removeChild(childd);????
??????? myright.appendChild(childd);????? ?
?}???
? }
? function goleftall(){????
???? var myleft = document.getElementById("left");
???? var myright = document.getElementById("right");
? var mylen = myright.options.length;
? var childd;
? for (var i=0; i<mylen;i++){
???? childd = myright.options[0];
???? myright.removeChild(childd);????
??????? myleft.appendChild(childd);????? ?
?}???
? }
</script>
<select id="left" name="left" size="4">
? <option value="value1">first</option>
? <option value="value2">second</option>
</select>
<input type="button" value=">>" onClick="goright()">
<input type="button" value="<<" onClick="goleft()">
<select id="right" name="right" size="4">
</select>
<input type="button" value=">>>>" onClick="gorightall()">
<input type="button" value="<<<<" onClick="goleftall()">
<br><br>
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? //ajax
???? var xmlHttp;
???? function createXMLHttpRequest(){
????? if(window.ActiveXObject){
???????? xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");?????
????? }else if(window.XMLHttpRequest){
???????? xmlHttp = new XMLHttpRequest();
????? }
?? }
?? function startRequest(){
????? createXMLHttpRequest();
?? xmlHttp.onreadystatechange = callback;??
????? xmlHttp.open("POST","/LoadDpartmentServlet",true);
????? xmlHttp.send();
?? }
?? function callback(){
????? if(xmlHttp.readyState==4){
?????? if(xmlHttp.status ==200){
?????? alert("response.."+xmlHttp.responseText);
??? }
?? }
?? }
</script>
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//樹形菜單初探
<script language="javascript">
? function toggle(_dt){
??? var _dl = _dt.parentNode;
?if(_dl.className=="collapse") _dl.className="expand";
?else _dl.className="collapse";
? }
</script>
<style type="text/css">
? dl dt {cursor:pointer; padding:3px;}
? dl dd {padding:3px;}
? .expand {height:auto;}
? .collapse {height:20px; overflow:hidden}
</style>
<dl>
? <dt onClick="toggle(this)">root</dt>
? <dd><a href="http://blogjava.net/pear">child</a></dd>
? <dd><a href="http://blogjava.net/pear">child2</a></dd>
? <dl>
?? <dt onClick="toggle(this)">root2</dt>
?? <dd><a href="http://blogjava.net/pear">child3</a></dd>
?? <dd><a href="http://blogjava.net/pear">child4</a></dd>
? </dl>
</dl>
<dl>
? <dt onClick="toggle(this)">root2</dt>
? <dd>child3</dd>
? <dd>child4</dd>
</dl>
<br><br>
----------------------------------------------------------------------------------------------------------
<ul>
? <li>text</li>
? <li>text2</li>
? <ul>
??? <li>text3</li>
?<li>text4</li>
?<ul>
?? <li>textpk</li>
?</ul>
? </ul>
? <li>text5</li>
</ul>
</body>
</html>
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//創(chuàng)建一個節(jié)點的基本方式
?????????? var newnode = document.createTextNode("meme");
?????? ??? var element = document.createElement("option");?
????? ???? element.appendChild(newnode);
?????????? leftt.appendChild(element);?
-------------------------------
?????????? leftt.options[leftt.options.length]=new Option(value,text)
----------------------------------------------------------------------------------------------------------
//實現(xiàn)列表誆中的字符串連接
<script language="javascript">
?? function goright(){
???? var myleft = document.getElementById("left");
???? var myright = document.getElementById("gogo");
???? var len = myleft.options.length;
???? for(var i=0; i<len; i++){
??????? alert(myleft.options[i].text);
??????? myright.value=myright.value+myleft.options[i].text+'#';
???? }
?? }
</script>
<select id="left" name="left" size="4">
? <option value="fir">first</option>
? <option value="value2">second</option>
</select>
<input type="button" value=">>" onClick="goright();">
<input type="text" id="gogo" name="gogo">
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
<html>
<head>
<title>maomao</title>
</head>
<body>
<script language="javascript">
?? function goright(){
???? var name=new Array();
???? var myleft = document.getElementById("left");
???? var myright = document.getElementById("gogo");
???? var right = document.getElementById("gg");
???? var len = myleft.options.length;
???? for(var i=0; i<len; i++){
??????? name.push(myleft.options[i].text);
??????? myright.value=myright.value+myleft.options[i].text+'#';
???? }
????? right.value=name;
???? alert(right.value);
?? }
</script>
<select id="left" name="left" size="4">
? <option value="fir">first</option>
? <option value="value2">second</option>
</select>
<input type="button" value=">>" onClick="goright();">
<input type="text" id="gogo" name="gogo">
<input type="text" id="gg" name="gg">
?
</body>
</html>