JavaScript -- dynamically add and delete rows

Last Update:2018-12-03 Source: Internet

Author: User

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<% @ page Language = "Java" Import = "Java. util. * "pageencoding =" UTF-8 "%>
<%
string Path = request. getcontextpath ();
string basepath = request. getscheme () + ": //" + request. getservername () + ":" + request. getserverport () + path + "/";
%>

<! Doctype HTML public "-// W3C // dtd html 4.01 transitional // en">
<HTML>
<Head>
<Base href = "<% = basepath %>">

<Title> my JSP 'test. jsp 'starting page </title>

<Meta http-equiv = "Pragma" content = "no-Cache">
<Meta http-equiv = "cache-control" content = "no-Cache">
<Meta http-equiv = "expires" content = "0">
<Meta http-equiv = "keywords" content = "keyword1, keyword2, keyword3">
<Meta http-equiv = "Description" content = "this is my page">
<! --
<LINK rel = "stylesheet" type = "text/CSS" href = "styles.css">
-->

</Head>

<Body>
<Form action = "<% = PATH %>/news. do? Method = Add "method =" Post "enctype =" multipart/form-Data ">
<Input type = "hidden" name = "ID" value = "$ {NEWS. ID}">
<Table width = "90%" border = "0" align = "Left" cellpadding = "0" cellspacing = "1" class = "newtable">
<Tr>
<TD colspan = "2" id = "more">
Floor name <input type = "text" name = "name" size = "30" value = "111"> floor description <input type = "text" name = "info" Size = "30" value = "111"> <input type = "button" onclick = "AddFile (); "value =" add ">
</TD>
</Tr>
</Table>
</Form>
<SCRIPT type = "text/JavaScript">
VaR T = 1;
Function AddFile ()
{
VaR parent = Document. getelementbyid ("more ");
VaR BR = Document. createelement ("Br ");
VaR charname = Document. createtextnode ("floor name ")
VaR inputname = Document. createelement ("input ");
VaR charinfo = Document. createtextnode ("floor Introduction ")
VaR inputinfo = Document. createelement ("input ");
VaR button = Document. createelement ("input ");

Inputname. Values = "111 ";
Inputname. type = "text ";
Inputname. Name = "name [" + (T ++) + "]";
Inputname. size = "30 ";

Inputinfo. value = "111 ";
Inputinfo. type = "text ";
Inputinfo. Name = "info [" + (T ++) + "]";
Inputinfo. size = "30 ";

Button. type = "button ";
Button. value = "delete ";
Button. onclick = function ()
{
Parent. removechild (BR );
Parent. removechild (charname );
Parent. removechild (inputname );
Parent. removechild (charinfo );
Parent. removechild (inputinfo );
Parent. removechild (button );
};
Parent. appendchild (BR );
Parent. appendchild (charname );
Parent. appendchild (inputname );
Parent. appendchild (charinfo );
Parent. appendchild (inputinfo );
Parent. appendchild (button );
}
</SCRIPT>
</Body>
</Html>

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.

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JavaScript -- dynamically add and delete rows

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