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Select multiple select implementation, select multiple select implementation

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Author: User
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Select multiple select implementation, select multiple select implementation
<! DOCTYPE html PUBLIC "-// W3C // dtd html 4.01 Transitional // EN" "http://www.w3.org/TR/html4/loose.dtd">
<Html>
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8">
<Title> </title>
<Script type = "text/javascript">
Function $ (e) {return document. getElementById (e );}
Function PutRightOneClk (str ){
If ($ (str + "0"). options. selectedIndex =-1) {return false ;}
While ($ (str + "0"). options. selectedIndex>-1 ){
Var id = $ (str + "0"). options. selectedIndex
Var varitem = new Option ($ (str + "0"). options [id]. text, $ (str + "0"). options [id]. value );
$ (Str + "1"). options. add (varitem );
$ (Str + "0"). options. remove (id );
}
}
Function PutRightAllClk (str ){
If ($ (str + "0"). options. length = 0) {return false ;}
For (var I = 0; I <$ (str + "0"). options. length; I ++ ){
Var varitem = new Option ($ (str + "0"). options [I]. text, $ (str + "0"). options [I]. value );
$ (Str + "1"). options. add (varitem );
}
$ (Str + "0"). options. length = 0;
}
Function PutLeftOneClk (str ){
If ($ (str + "1"). options. selectedIndex =-1) {return false ;}
While ($ (str + "1"). options. selectedIndex>-1 ){
Var id = $ (str + "1"). options. selectedIndex
Var varitem = new Option ($ (str + "1"). options [id]. text, $ (str + "1"). options [id]. value );
$ (Str + "0"). options. add (varitem );
$ (Str + "1"). options. remove (id );
}
}
Function PutLeftAllClk (str ){
If ($ (str + "1"). options. length = 0) {return false ;}
For (var I = 0; I <$ (str + "1"). options. length; I ++ ){
Var varitem = new Option ($ (str + "1"). options [I]. text, $ (str + "1"). options [I]. value );
$ (Str + "0"). options. add (varitem );
}
$ (Str + "1"). options. length = 0;
}
</Script>
</Head>
<Body>
<Table>
<Tr>
<Td width = "20%" class = "biaoti-2" align = "right"> label: </td>
<Td class = "formword" colspan = "3" width = "80%">
<Div style = "float: left;">
<Select size = "5" id = "ptNbrs0" class = "input" style = "width: 200px; height: 200px; "multiple =" multiple "ondblclick =" PutRightOneClk ('ptnbrs') ">
<Option value = "0"> qqqq </option>
<Option value = "1"> wwww </option>
<Option value = "2"> eeee </option>
</Select>
</Div>
<Div style = "float: left">
<Input type = "button" value = ">" id = "PutRightOne" class = "button1" onclick = "PutRightOneClk ('ptnbrs ') "/> <br/>
<Input type = "button" value = ">" id = "PutRightAll" class = "button1" onclick = "PutRightAllClk ('ptnbrs ') "/> <br/>
<Input type = "button" value = "<" id = "PutLeftOne" class = "button1" onclick = "PutLeftOneClk ('ptnbrs ') "/> <br/>
<Input type = "button" value = "<" id = "PutLeftAll" class = "button1" onclick = "PutLeftAllClk ('ptnbrs')"/>
</Div>
<Div>
<Select size = "5" id = "ptNbrs1" name = "ptNbrs1" class = "input" style = "width: 200px; height: 200px; "multiple =" multiple "ondblclick =" PutLeftOneClk ('ptnbrs') ">
</Select>
</Div>
</Td>
</Tr>
</Table>
</Body>
</Html>
How to implement multiple drop-down boxes in html

The select tag has a multiple attribute and is set to multiple = "multiple". Press Ctrl to select multiple instances. See the example below:
<Html>
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312"/>
<Title> untitled document </title>
</Head>
<Script language = "javascript">
Function getValue ()
{
Var s = "";
For (var I = 0; I <form1.ss. options. length; I ++)
{
If (form1.ss. options [I]. selected)
{
S + = form1.ss. options [I]. value;
}
}
Alert (s );
}
</Script>
<Body>
<Form id = "form1" name = "form1" method = "post" action = "">
Select:
<Select id = "ss" name = "ss" size = "5" multiple = "multiple">
<Option value = "1"> 1 </option>
<Option value = "2"> 2 </option>
<Option value = "3"> 3 </option>
<Option value = "4"> 4 </option>
<Option value = "5"> 5 </option>
<Option value = "6"> 6 </option>
<Option value = "7"> 7 </option>
<Option value = "8"> 8 </option>
</Select>
<Br>
<Input type = "button" name = "Submit" value = "Submit" onclick = "getValue ()"/>
</Form>
</Body>
</Html>
************* *********
Modify the size attribute of the select tag and change its value to... the remaining full text>
 
How to Use JS to select all and cancel all of multiple selection boxes

You can change the control name!
Run the following command to connect to a file:
---
1. php

<Script>
Function $ (id ){

Return document. getElementById (id );

}

Function checkall( obj, form ){

Var bool = (obj. checked )? True: false;
For (var I = 0; I <form. length; I ++ ){
Form. all [I]. selected = bool;
}
}
</Script>
<Form action = "2.php" method =" post ">
<Input type = "checkbox" name = "checkall" id = "checkall" onclick = "checkall( this, $ ('select')" checked> select all <br>
<Select multiple name = "select []" id = "select" size = "15" style = "width: 210px; height: 250px">
<Option value = "1" selected> large meals </option>
<Option value = "2" selected> large scale </option>
<Option value = "3" selected> scale down </option>
<Option value = "4" selected> to judicial office </option>

</Select>
<Input type = "submit" value = "submit">
</Form>

---
2. php

<?
Echo $ select [0];
Echo $ select [1];
Echo $ select [2];
Echo $ select [3];
?>

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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