Question

Get Id of element

Asked by: grogo21

Hello, how can I get the id of an element and place the value into a textbox?  Heres what I have:

<td  id="#CCFFCC" style="background-color:#CCFFCC" width="20" height="20" onclick="javascript:toggleLayer( this,'TextBox1', 'TBL');"></td>

The javascript:
function toggleLayer( Colorcntrl ,txtboxcntrl, TBL, HexColor)
{
    document.getElementById(txtboxcntrl).value = Colorcntrl.?????????????????????;
 }

Thanks

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Asked On
2007-10-21 at 10:39:23ID22907595
Tags

javascript

,

element

,

get

,

id

Topic

JavaScript

Participating Experts
1
Points
125
Comments
3

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Answers

 

by: hieloPosted on 2007-10-21 at 10:43:14ID: 20118641

The syntax should be:
document.getElementById(txtboxcntrl).value = Colorcntrl.id
But, I believe the id property must start with a alphabetic character.
This I would remove the "#" from the Id name and change the statement to
document.getElementById(txtboxcntrl).value = "#"+Colorcntrl.id

 

by: hieloPosted on 2007-10-21 at 10:47:33ID: 20118659

Here it is complete:
<td  id="CCFFCC" style="background-color:#CCFFCC" width="20" height="20" onclick="javascript:toggleLayer( this,'TextBox1', 'TBL');"></td>

The javascript:
function toggleLayer( Colorcntrl ,txtboxcntrl, TBL, HexColor)
{
    document.getElementById(txtboxcntrl).value = "#"+Colorcntrl.id;
 }


But perhaps better:
<td  id="MyElement" style="background-color:#CCFFCC" width="20" height="20" onclick="javascript:toggleLayer( this,'TextBox1', 'TBL');"></td>

The javascript:
function toggleLayer( Colorcntrl ,txtboxcntrl, TBL, HexColor)
{
    document.getElementById(txtboxcntrl).value = Colorcntrl.style.backgroundColor;
 }

And yet another way of doing it
<td  id="MyElement" style="background-color:#CCFFCC" width="20" height="20" onclick="javascript:toggleLayer( this.style.backgroundColor,'TextBox1', 'TBL');"></td>

The javascript:
function toggleLayer( Colorcntrl ,txtboxcntrl, TBL, HexColor)
{
    document.getElementById(txtboxcntrl).value = Colorcntrl;
 }

 

by: grogo21Posted on 2007-10-21 at 11:18:49ID: 20118753

Thanks, This one works:
 document.getElementById(txtboxcntrl).value = "#"+Colorcntrl.id;

Using  document.getElementById(txtboxcntrl).value = Colorcntrl.style.backgroundColor;
changes the hex color into rgb in Firefox btw.

Thanks

20120131-EE-VQP-002

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