I have something like this:
<table name="test" id="test">
<tr>
<td><input type="button" onClick="showMe ParentTableName ();"></td>
</tr>
</table>
How can I have my input button show me the table of it's parent table?
(eg. "test" in this case) 8  20220 
err, I mean... how can I have the button show me the NAME of it's
parent table.
try this;
<table name="test" id="test">
<tr>
<td><input type="button"
onClick="showMe ParentTableName (this);"></td>
</tr>
</table>
<script>
function showMeParentTab leName(oInput){
this.value =
this.parentNode .parentNode.par entNode.parentN ode.name;
}
</script>
notice that you must go up 4 levels in the object hierarchy;
input -> cell -> row -> tablebody -> table
this only applies to IE, firefox needs one less step up. jk*****@gmail.c om wrote:
How can I have my input button show me the table of it's parent table?
(eg. "test" in this case)
....
<td><input type="button" onClick="climbT o(this,'table') "></td>
....
<script type="text/javascript">
function climbTo(element ,tagname){
var pa=element.pare ntNode;
while(pa.tagNam e.toLowerCase() !=tagname.toLow erCase()){
pa=pa.parentNod e;
}
alert(pa.name)
}
</script>
Mick jk*****@gmail.c om wrote: I have something like this:
<table name="test" id="test">
<tr>
<td><input type="button" onClick="showMe ParentTableName ();"></td>
</tr>
</table>
How can I have my input button show me the table of it's parent table?
(eg. "test" in this case)
"name" is not a valid attribute of an HTML table. Use id. Pass the
input object to the function.
<html>
<head>
<title>untitled </title>
<script type="text/javascript">
function getTableId(obj)
{
while (obj && !/table/i.test(obj.node Name))
{
obj = obj.parentNode;
}
return obj.id || '';
}
</script>
</head>
<body>
<table border="1" id="test1">
<tbody>
<tr>
<td>
<input
type="button"
value="test 1"
onclick="alert( getTableId(this ))">
</td>
</tr>
</tbody>
</table>
<table border="1" id="test2">
<tbody>
<tr>
<td>
<input
type="button"
value="test 2"
onclick="alert( getTableId(this ))">
</td>
</tr>
</tbody>
</table>
</body>
</html>
michael elias wrote: try this;
(snip)
function showMeParentTab leName(oInput){
this.value =
this.parentNode .parentNode.par entNode.parentN ode.name;
}
'this' in the context of a global function points to *window*.
notice that you must go up 4 levels in the object hierarchy;
input -> cell -> row -> tablebody -> table
this only applies to IE, firefox needs one less step up.
Any time you need to give involved instructions like the above, it's
time to use some program logic to *look for* the desired data.
All form elements, Inputs too, have a parent of Form, and form has other
parents and such, instead, use a link in the TD,
..parentElement .parentElement. parentElement of a link on the TD will be the
table, if you use an input, you'd have to go UP more parentElements passed
the Form and who knows what else you have the form in if any.
Danny
On Tue, 21 Jun 2005 07:50:58 -0700, <jk*****@gmail. com> wrote:
--
Using Opera's revolutionary e-mail client: http://www.opera.com/mail/
"Mick White" <mw***********@ rochester.rr.co m> wrote in message
news:r4******** **********@twis ter.nyroc.rr.co m... jk*****@gmail.c om wrote:
How can I have my input button show me the table of it's parent
table?
(eg. "test" in this case)
...
<td><input type="button" onClick="climbT o(this,'table') "></td>
...
<script type="text/javascript">
function climbTo(element ,tagname){
var pa=element.pare ntNode;
while(pa.tagNam e.toLowerCase() !=tagname.toLow erCase()){
pa=pa.parentNod e;
}
alert(pa.name)
}
</script>
If this function can't find the tagName it's looking for, it eventually
generates an error:
<span id="blah"></span>
<script type="text/javascript">
function climbTo(element ,tagname){
var pa=element.pare ntNode;
while(pa.tagNam e.toLowerCase() !=tagname.toLow erCase()){
pa=pa.parentNod e;
}
alert(pa.name)
}
climbTo(documen t.getElementByI d('blah'), 'table');
</script>
Something like this might be better:
function climbTo(element , tagname) {
tagname = tagname.toLower Case();
var parentElement;
while((element = element.parentN ode) && !parentElement) {
if (element.tagNam e.toLowerCase() == tagname) {
parentElement = element;
}
}
// return parentElement;
if (parentElement) {
alert(parentEle ment.id);
}
}
--
Grant Wagner <gw*****@agrico reunited.com>
comp.lang.javas cript FAQ - http://jibbering.com/faq
Grant Wagner wrote: If this function can't find the tagName it's looking for, it
eventually generates an error:
[...]
Something like this might be better:
function climbTo(element , tagname) {
tagname = tagname.toLower Case();
var parentElement;
while((element = element.parentN ode) && !parentElement) {
if (element.tagNam e.toLowerCase() == tagname) {
parentElement = element;
}
}
// return parentElement;
if (parentElement) {
alert(parentEle ment.id);
}
}
I'd prefer RegExps here:
function climbTo(element , tagname)
{
var rx = new RegExp(tagname, "i");
var parentElement;
while ((element = element.parentN ode) && !parentElement)
{
if (element.tagNam e.test(rx))
{
parentElement = element;
}
}
// return parentElement;
if (parentElement)
{
alert(parentEle ment.id);
}
}
PointedEars
Thomas 'PointedEars' Lahn <Po*********@we b.de> writes: I'd prefer RegExps here:
function climbTo(element , tagname)
{
var rx = new RegExp(tagname, "i");
You should at least anchor the match, i.e.,
var rx = new RegExp("^"+tagn ame+"$", "i");
Otherwise tagnames that are substrings of other tag names can
give incorrect matches (which will probably not happen for valid
HTML, but might as well be safe).
.... if (element.tagNam e.test(rx))
{
parentElement = element;
}
.... if (parentElement)
I'm not sure the original poster had thought this through enough for
it to be generalized. This code will find the outermost enclosing
element matching the tag name, not the innermost one. That might be
desired behavior in this case, but in general, I'd more likely be
needing the nearest enclosing element.
/L
--
Lasse Reichstein Nielsen - lr*@hotpop.com
DHTML Death Colors: <URL:http://www.infimum.dk/HTML/rasterTriangleD OM.html>
'Faith without judgement merely degrades the spirit divine.' This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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