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set or assign table id dynamically using javascript

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May 01.2006

Hello Everyone,

I would like to dynamically set the ID of a table using javascript and then alert it. Does anyone know how to do this?

Thanks in advance. ?

————————————–

<html>
<head>
<script type=”text/javascript”>
function setTableID()
{
document.getElementsByTagName(“table”).id=”tableid” //–does not work.
}
</script>
</head>

<body>
<table border=”1″>

</table>
</body>

</html>

—————————-

to post a comment
JavaScript

7 Comments(s) ↴

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@sridhar_423May 01.2006 — try this..

document.getElementsByTagName("table")[0].setAttribute("id","tableid")


document.getElementsByTagName returns an array
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@KorMay 01.2006 — and you need an event to trigger the function. It might be onload, for instance:
[code=php]
<script type="text/javascript">
function setTableID()
{
document.getElementsByTagName("table")[0].setAttribute("id","tableid");
}
onload =setTableID;
</script>
[/code]
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@napoleonvauthorMay 02.2006 — This works.
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@felgallMay 02.2006 — Perhaps like this:

&lt;html&gt;
&lt;head&gt;
&lt;script type="text/javascript"&gt;
function deleteRow(i)
{
i.deleteRow(i.rowIndex)
}
&lt;/script&gt;
&lt;/head&gt;

&lt;body&gt;
&lt;table border="1"&gt;
&lt;tr&gt;
&lt;td&gt;Row 1&lt;/td&gt;
&lt;td&gt;&lt;input type="button" value="Delete" onclick="deleteRow(this.parentNode.parentNode)"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Row 2&lt;/td&gt;
&lt;td&gt;&lt;input type="button" value="Delete" onclick="deleteRow(this.parentNode.parentNode)"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Row 3&lt;/td&gt;
&lt;td&gt;&lt;input type="button" value="Delete" onclick="deleteRow(this.parentNode.parentNode)"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/body&gt;

&lt;/html&gt;
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@Orc_ScorcherMay 02.2006 — <i>
</i>function deleteRow(input) {
var tr = input.parentNode.parentNode
tr.parentNode.removeChild(tr)
}



&lt;tr&gt;
&lt;td&gt;Row 1&lt;/td&gt;
&lt;td&gt;&lt;input type="button" value="Delete" onclick="deleteRow(this)"&gt;&lt;/td&gt;
&lt;/tr&gt;
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@napoleonvauthorMay 02.2006 — Thanks but this one does not work. To try it, copy the source, go to:

http://www.w3schools.com/js/tryit.asp?filename=tryjs_text

and paste.
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@napoleonvauthorMay 02.2006 — try this..

document.getElementsByTagName("table")[0].setAttribute("id","tableid")


document.getElementsByTagName returns an array[/QUOTE]


This works great! THANKS! ?

Here is my code:

------------------------

<html>

<head>

<script type="text/javascript">

function deleteRow(i)

{

document.getElementsByTagName("table")[0].setAttribute("id","tableid")

document.getElementById("tableid").deleteRow(i)

}

</script>

</head>

<body>

<table border="1">

<tr>

<td>Row 1</td>

<td><input type="button" value="Delete" onclick="deleteRow(this.parentNode.parentNode.rowIndex)"></td>

</tr>

<tr>

<td>Row 2</td>

<td><input type="button" value="Delete" onclick="deleteRow(this.parentNode.parentNode.rowIndex)"></td>

</tr>

<tr>

<td>Row 3</td>

<td><input type="button" value="Delete" onclick="deleteRow(this.parentNode.parentNode.rowIndex)"></td>

</tr>

</table>

</body>

</html>

------------------------
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