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How to Select, remove, and exchange multiple items from the js Select drop-down list box

Source: Internet
Author: User
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Copy codeThe Code is as follows:
<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Span class = 'wp _ keywordlink_affiliate '> <a href = "tag/html" title = "view all articles in html" target = "_ blank"> html </a> </span> 4/loose. dtd ">
<Span class = 'wp _ keywordlink_affiliate '> <a href = "tag/html" title = "view all articles in html" target = "_ blank"> html </> </span>
<Head>
<Title> Select drop-down list box for multiple selections, removal, and content exchange </title>
<Meta http-equiv = "Content-Type" content = "text/<span class = 'wp _ keywordlink_affiliate '> <a href =" tag/html "title =" view html all the articles in "target =" _ blank "> html </a> </span>; charset = gb2312 ">
</Head>
<Body style = "font-size: 12px">
<Form name = "form1" method = "post" action = "">
<Table width = "380" border = "0" align = "center" cellpadding = "0" cellspacing = "0">
<Tr>
<Td width = "150"> <table width = "150" border = "0" cellpadding = "1" cellspacing = "1" bgcolor = "# CAFAFC">
<Tr>
<Td height = "25" background = "wp-content/uploads/2012/05/79760-772704496-8.gif" bgcolor = "# FFFFFF"> select: </td>
</Tr>
<Tr>
<Td align = "center" bgcolor = "# FFFFFF"> <select name = "sel_place1" size = "6" multiple id = "sel_place1" style = "width: 100px">
<Option value = "sel1"> Jiangsu </option>
<Option value = "sel2"> Guangdong </option>
<Option value = "sel3"> Henan </option>
<Option value = "sel4"> Jilin Province </option>
<Option value = "sel5"> Zhejiang </option>
</Select> </td>
</Tr>
</Table> </td>
<Td width = "80" align = "center" valign = "bottom"> <input name = "sure1" type = "button" id = "sure1"
OnClick = "allsel (document. form1.sel _ place2, document. form1.sel _ place1);" value = "<">

<Input name = "sure2" type = "button" id = "sure2"
OnClick = "allsel (document. form1.sel _ place1, document. form1.sel _ place2);" value = ">" align = "center" height = "2"> </td>
<Td width = "150"> <table width = "150" border = "0" cellpadding = "1" cellspacing = "1" bgcolor = "# CAFAFC">
<Tr>
<Td height = "25" background = "wp-content/uploads/2012/05/79760-772704496-8.gif" bgcolor = "# FFFFFF"> select: </td>
</Tr>
<Tr>
<Td align = "center" bgcolor = "# FFFFFF"> <select name = "sel_place2" size = "6" multiple id = "sel_place2" style = "width: 100px">
</Select> </td>
</Tr>
</Table> </td>
</Tr>
</Table>
</Form>
<Script language = "javascript">
Function allsel (n1, n2)
{
While (n1.selectedIndex! =-1)
{
Var indx = n1.selectedIndex;
Var t = n1.options [indx]. text;
N2.options. add (new Option (t ));
N1.remove (indx );
}
}
</Script>
</Body>
</Html> </td>
</Tr>
</Table>

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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