Return A Value To A Document.getElementById() ?

Jan 28, 2009

I'm trying to do is change the backgroundColor of my input text with js..

This the js part

Basicly what the script do is to check the hidden field cf with value of '0' if found it will execute changeCssProp(thefield)..but the problem is js return error of document.getElementById(thefield) is null

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Return A Value To A Document.getElementById()

Jan 28, 2009

I'm trying to do is change the backgroundColor of my input text with js..

This the js part

Code:

And this is the html part

Code:

Basicly what the script do is to check the hidden field cf with value of '0' if found it will execute changeCssProp(thefield)..but the problem is js return error of document.getElementById(thefield) is null

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JQuery :: Does Not Return Same Value As Document.getElementById

Dec 3, 2010

[code]This is IE8 in standards mode.In Chrome both approaches return 25 as expected.

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Document.getElementById Fails When Assigning Return Value To Variable With Same Name As Id?

Dec 29, 2005

I've got a piece of code where, for all the world, it looks like this fails in IE 6:

hometab = document.getElementById('hometab');

but this succeeds:

hometabemt = document.getElementById('hometab');

Has anyone ever seen anything like this before, or am I dreaming?

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Element.getElementById Instead Of Document.getElementById

May 13, 2004

I want to restrict getElementById to search children of a specific element instead of searching the entire document, in the same way that I can do getElementsByTagName using a specific element as the parent.

In this particular instance the parent is a table and the elements I'm interested in are all TDs, so I did the basic getElementsByTagName('TD') off the table and looped through this array checking the IDs. However, I'm suspecting that the browser can do getElementById faster than I can do a loop in javascript. Is there a neater way to do this? For now, I'll settle for IE-only solutions, though it would be nice to have things work in generic browsers.

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GetElementById Return Value Differences In Firefox/IE

Mar 26, 2007

In Firefox 2, document.getElementById is returning an HTMLDivElement,
in IE 7, it is returning an Object.

For example:

<div id="errorTableDiv">
</div>
....

errorTableDiv = document.getElementById("errorTableDiv");
alert(errorTableDiv);
errorTableDiv.appendChild(someTableNode);

Firefox prints HTMLDivElement and lets me appendChild() later on
IE prints Object and gives an error on the appendChild()

I do not understand why this happens or what the most socially
acceptable way to fix it is.

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Document.getElementByID And IE ?

Jun 4, 2010

The following code is not working for IE.

Code:

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Document.getElementById In JS?

Feb 15, 2011

i have the code in JS:

if(drop_list.value == "zed-catcher/11")
{
input_box.disabled=false;
var catcher_id = document.getElementById('lpm_service_catcher_id');
catcher_id.value = 11;

[Code]...

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What Is Better, Document.forms Or GetElementById?

Dec 21, 2006

I would like to know if is better to use document.forms to detect forms
or getElementById.

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Workaround For Document.getElementById

Mar 16, 2007

I have an onchange method for a select box that goes something like
this (the select is in a form named aForm):

function page_on_change() {
pageElement = aForm.my_page_id;
aForm.nav_page_name.value =
pages[pageElement.options[ pageElement.selectedIndex ].value];
var si = pageElement.selectedIndex;
for ( i = 0 ; i < pages.size ; i++ ) {
document.getElementById("id_" + i).style.display='none'
}
document.getElementbyId("id_" + si).style.display='none'
}

IE fails on the statement:

document.getElementbyId("id_" + si).style.display='none'

and says it doesn't support this property.

What is the workaround?

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Document.getElementById Comes Out NULL Help!

Jul 20, 2005

Basically i'm trying to draw a box over an image which
is turning out to be a nightmare. The problem i'm getting at the moment
is that i'm creating a line with <div which works when it's not hidden
but I need to be able to make it hidden so I can use layers to show all
when it finished drawing to make it smoother. This is how some other
scripts are doing it that i've seen. So i've got it drawing a line and I
need getElementById to pick out the layer but it's only picking out NULL
with the one i've got enabled below. I've tried the others but they just
come out as errors. I need to get top2 which is the <div line to show
itself but I can't seem to reference it by getElementById. I use linux
mozilla so i need it working in mozilla as well as windows that's why
i'm using getElementById. My code is below any ideas anyone?

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Document.getElementById Not Working In FF

Mar 24, 2010

I am trying to use document.getElementById in FF but its not working. There is a main page. in that mainpage there is a iframe and in that iframe (id = DocFrame) there is a textbox (id="fileuploadedcnt") which i am trying to access. there is no error. ofcourse i have given name and id to the textbox. Below is the code

function ConfirmCertificate(id , Project_ID , Subprogram_ID , ITCType_TI) {
frm=document.mainform;
//fileuploadedcnt = (document.frames("DocFrame").document.forms("upload_form").elements("fileuploadedcnt").value);

[Code].....

In the abpve case i tried both the name and id properties. with Name property i get the HTMLObj alert but again it fails if i attach value method. And for id, it doesnt work at all

No errors ofcourse in both the cases

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Document.getElementByID Not A Function?

Apr 18, 2002

I've got the following code on one of my pages, it works fine in IE6 and Netscape 6.2, but when you get around to using it on Netscape Navigator 4.08 it doesn't work, instead giving me a "document.getElementByID is not a function" error. Here's the code it has a problem with...

function CrseDets(IDS) {
window.open('coursedetails.asp?whereby=' + document.getElementById(IDS).value,null,'top=0,left=0,width=672,height=500, background="gfx/backgrd.gif", scrollbars=yes');
}

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Document.getElementById('xxx').src Is Not Working

Jun 2, 2010

I have the following code. It is not working for firefox, IExplorer and Opera.

<script id="url" name="url" language="JavaScript" type="text/javascript" src=""></script>
<script language="JavaScript" type="text/javascript">
var u = document.getElementByName("url");

[Code]....

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IE Vs Document.getElementById - Get Error

Jun 19, 2010

I use in my javascript the "document.getElementById" code.

This code works as it should in Firefox, but in IE I get the following error:

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Document.getElementbyId Is Not Working?

Oct 6, 2010

This code is not working What i am doing wrong here?


HTML Code:
<script type="text/javascript">
document.getElementById("divName").style.height = 500px;
</script>

[Code]...

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Document.getElementById().value Not Working?

Apr 12, 2010

I am validating a three form field which takes temperature value between 0-50, humidity 1-100 & rainfall 0-200. I am able to see expected result for temperature value but not getting correct value for humidity & rainfall(still one can insert text in it..)

Here is my code-:
<script type="text/javascript">
function validate_form(thisform)
{
with (thisform)

[Code]...

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Document.getElementById Not Working In IE?

Sep 30, 2009

First a little background. I have a client (in-house) who insists that our training pages (launched from within iframes on a parent page) be able to load .wmv files with variables for the width and height parameters so we don't have to recode when videos are switched. Flash videos are not an option.

I've searched the net and have received several suggestions and even code snippets from several sources but the only one that comes close to working is this one:

[Code]...

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Code A Function Using Document.getElementById?

Jun 24, 2011

How do I write a javascript function to convert ounces to grams and vise versa using document.getElementById ?

(by the way the conversions are:
grams = ounces * 28
ounces = grams / 28 )
Here is what Ive got so far:
javascript Code:

[Code]...

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Does Document.getElementById Work Without A Parameter?

Jun 15, 2011

I'm a perplexed nube, and I can't understand how document.getElementById evaluates to true when no parameter is passed to getElementById. This code alerts 'foo' if (document.getElementById) {alert('foo')} else {alert('bar')}

Just to double check, this code alerts 'bar'

if (!document.getElementById) {alert('foo')} else {alert('bar')}

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Document.getElementById('ImgId').className

Jul 11, 2005

When using instead of this line (to change style of element)
document.getElementById('ImgId'').style.visibility = "visible";

one would use (to change class of element)

Does className change the class="imgHidden" into "makeImgVisible" here?
document.getElementById('ImgId').className = "makeImgVisible";

.imgHidden {visibility:hidden;}
.makeImgVisible {visibility:visible;}

<img src="myImg.jpg" alt="" id="ImgId" class="imgHidden" width="200" height="200">

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On MouseOver & Document.getElementById IE Compatibility

Apr 7, 2010

I have created some custom code and implemented it into a article within Joomla. (The HTML editor is turned off) The code works in all browsers except Internet Explorer Versions. The custom code has Javascript and the "onMouseOver". The purpose of it is to change a image when your cursor is placed over a link. Ive included the code below

[Code]....

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Document.getElementByID And IE - Code Is Not Working

Jun 4, 2010

The following code is not working for IE.

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Document.getElementById(obQuantity) Has No Properties

Jul 30, 2004

I have this at the bottom of one of my pages, so as to refresh certain elements.

Code:

<script type="text/javascript">
var obQuantity = ''
var obHasQuantity = ''
for (var i = 0; i < <?=$count?>+1; i++)
{
obQuantity = "quantity_" + i;
obHasQuantity = "has_quantity_" + i;

document.getElementById(obQuantity).disabled = (!document.getElementById(obHasQuantity).value ? true : false);
}
</script>
It doesn't work. :
(note, $count is returning a valid value)

I use FireFox 0.9.1, and the Javascript debugger returns the error:

Code:

Error: document.getElementById(obQuantity) has no properties
Yet, the following does work: ....

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Error: Document.getElementById Is Null

Jul 6, 2010

Here's my code :

1: function myFunction(myLink, base) {
2: var myCheckBox;
3: var idx;

[Code].....

when I view source of the page , I see the values of sng_ids_{index} hidden parameters set correctly but I get this javascript error :

Error: document.getElementById("sng_ids_"+i.toString()) is null

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Variable Not Holding It's Value, Document.getElementById?

Nov 24, 2010

I seem to be having trouble with my string variable in innerHTML.. here's my code:

function header() { // Navigation Bar
110 var o = document.getElementById("header");
111 var s = '<h3 style="float:left;">'

[code].....

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