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The left-hand list of JS learning notes moves to the list on the right

Source: Internet
Author: User
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<HTML>
<HEAD>
<TITLE> Select drop-down menu </TITLE>
<meta http-equiv= "Content-type" content= "text/html; charset=gb2312 ">
<meta name= "Description" content= "Power by Hill" >
</HEAD>
<BODY>
<p> Select one or more items and click Add or remove (hold down SHIFT or CTRL to select multiple), or double-click on the selection to add and remove. </p>
<form method= "POST" name= "MyForm" >
<table border= "0" width= ">"
<tr>
&LT;TD width= "40%" >
<select style= "width:100%" multiple Name= "List1" size= "ondblclick=" Moveoption (Document.myform.list1, DOCUMENT.MYFORM.LIST2) ">
<option value= "Beijing" > Beijing </option>
<option value= "Shanghai" > Shanghai </option>
<option value= "Shandong" > Shandong </option>
<option value= "Anhui" > Anhui </option>
<option value= "Chongqing" > Chongqing </option>
<option value= "Fujian" > Fujian </option>
<option value= "Gansu" > Gansu </option>
<option value= "Guangdong" > Guangdong </option>
<option value= "Guangxi" > Guangxi </option>
<option value= "Guizhou" > Guizhou </option>
<option value= "Hainan" > Hainan </option>
<option value= "Hebei" > Hebei </option>
<option value= "Heilongjiang" > Heilongjiang </option>
</select>
</td>
&LT;TD width= "20%" align= "Center" >
<input type= "button" value= "Add" onclick= "Moveoption (Document.myform.list1, Document.myform.list2)" ><br/ >
<br/>
<input type= "button" value= "delete" onclick= "Moveoption (Document.myform.list2, document.myform.list1)" >
</td>
&LT;TD width= "40%" >
<select style= "width:100%" multiple Name= "List2" size= "ondblclick=" Moveoption (Document.myform.list2, DOCUMENT.MYFORM.LIST1) ">
</select>
</td>
<td>
<button onclick= "Changepos (list2,-1)" type= "button" > Move Up </button>
<br/>
<button onclick= "Changepos (list2,1)" type= "button" > Move Down </button>
</td>
</tr>
</table>
Value: <input type= "text" name= "City" size= ">"
</form>
<script language= "JavaScript" >
<!--
function Moveoption (e1, E2) {
try{
for (Var i=0;i<e1.options.length;i++) {
if (e1.options[i].selected) {
var e = e1.options[i];
E2.options.add (New Option (E.text, E.value));
E1.remove (i);
Ii=i-1
}
}
Document.myform.city.value=getvalue (DOCUMENT.MYFORM.LIST2);
}
catch (e) {}
}
function GetValue (Geto) {
var allvalue = "";
for (Var i=0;i<geto.options.length;i++) {
Allvalue +=geto.options[i].value + ",";
}
return allvalue;
}
function Changepos (obj,index)
{
if (index==-1) {
if (obj.selectedindex>0) {
Obj.options (Obj.selectedindex). SwapNode (Obj.options (obj.selectedindex-1))
}
}
else if (index==1) {
if (obj.selectedindex<obj.options.length-1) {
Obj.options (Obj.selectedindex). SwapNode (Obj.options (obj.selectedindex+1))
}
}
}
-
</script>
</BODY>
</HTML>

The left-hand list of JS learning notes moves to the list on the right

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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