Check A Checkbox Depending On Page Content

Aug 2, 2010

I'm trying to write a piece of javascript that will check a single checkbox depending on a dynamically-imported piece of information further up the page. The page will look like this:

[Code]....

The variable which indicates which checkbox should already be checked is in the div 'title' in the p class 'white'. So in the case above, when the page loads the 'Option 1' checkbox should already be checked. The javascript i have, rather poorly, cobbled together so far just doesn't work, and I was wondering if anyone could point me in the direction of some useful tutorials. All the tutorials I have read so far deal with mass checking all the boxes with a button click.

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Go To Certain Page Depending On Selected Check Boxes?

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If you have a form with 10 check boxes and you want to go to a certain page when you hit the submit button, depending on the check boxes you have selected, how would you do this? code...

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Nov 22, 2010

I have previously developed two scripts, both of which work really well, however I want to amalgimate them together if possible? My first script loads the content specified into a single div, replacing the content depending on which function is called, it also displays a loading gif during a timeout of 2 seconds. Here is the page:

[Code]...

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Change Label Class Depending On Checkbox?

Feb 21, 2011

I would really love some sort of javascript observer to automatically add/remove a class to the labels on my page, depending on wether their checkboxes are checked or not. As well as adding those same CSS-classes to the checkboxes already checked on document load.

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When Checkbox A Is Checked, Automatically Check The Checkbox B?

Jun 21, 2010

So here's what i want to do:

i have 2 checkboxes,

when Checkbox A is checked, i want to automatically check the checkbox B. When A is unchecked, then uncheck B.how can i do that?

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Function To Hide Table Cells Depending On Whether Checkbox Is Checked Or Not

Sep 30, 2010

I am trying to write a Javascript function that checks whether certain checkboxes are checked or not, and then hides cells in a table if the corresponding checkbox is not checked, and makes cells visible if the corresponding checkbox is checked.

This is what I have so far:

Code:
<html>
<head>
<script language="JavaScript">

[Code]....

The above html gives a (3 rows x 2 columns) table where the checkbox in cell 1x1 (row1,column1) starts checked and corresponding cell 1x2 is visible - as required. However when checking or unchecking any of the checkboxes (which should run the javascript) the cell visibility is not changed.

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JQuery :: Toggle Images Of A Button Depending On A Check Box Change?

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ho do itoggle images of a button depending on a check box changep.s. toggle images of a button these are images now depending on check box clicked the image button should show the enabled image.

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I would like to disable a check box depending on whether 1 of 3 radio buttons is chosen by the user. As I am a js noob, I don't have any beginning code to start with.

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JQuery :: Validate: Check Certain Form Fields Depending On Button Pressed?

Feb 4, 2011

I have a form with a series of fields. Only certain fields need to be validated when certain buttons are pressed. The reason for this is mainly because I had to build my own wizard style setup with jquery so, even though it's one big form, only certain bits need to be checked as they progress. I tried to tweak the accordion example given by the creators but it can't really apply to my scenario.

I've simplified the code down a bit and it is behaving exactly the same way as the big form...which is to say it's not behaving at all.

In this code, I want it to only validate field txt1 if button 1 is pressed and text2 if field 2 is pressed. One odd thing to note, when I set it up exactly as the site recommended with one big mass validation and such, it would only acknowledge the existence of the first field even though they both had class="required" on them.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head >

[Code].....

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Making Check Box/textbox Invisible/visible Depending On User Action?

Oct 31, 2009

Basically, i have a past and present checkbox, start date and leave date. Now if the user clicks on the "present" checkbox i want the leave date checkbox to vanish and if clicked again i want to re-appear..Take a look at this page:-http:[url].....

now you can see at the moment i have the checkboxes past, present and 2 text boxes beneath. Can i do this?

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Check If Checkbox Check Dynamically?

Sep 27, 2009

<input type="checkbox" id="priority" /><span class="presult">0 USD</span>

I want when checkbox is checked, the span will have 500 USD. When checkbox is unchecked the span will return 0.This is what I've got, have no idea why not work.

Code JavaScript:
if ($('#priority').is(':checked')) {
$('.presult').text('500 USD');

[code]......

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Is there any script or way to view/hide a div or similar tag only if you're on windows/mac/linux? I want a div to show if you're on windows/linux and an other if you're on a mac.

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Jun 11, 2010

This is what I want to achieve: a fixed positioned div next to my content area where the text changes depending on the section of the content area the user is reading. Can this be achieved, and how?

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Dec 26, 2010

I'm looking for a script to change the height of a iframe depending on the loaded content. I found some scripts who let it work when a webpage loads in the iframe.

But when the height of the page changes by javascript animations.

Like a box is getting 200px higher by a javascript action. The page won't reload by this action so the iframe height remains in it's current height.

Anyone has a good script that the iframe height even changed on javascript commands?

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Can't Get Checkbox To Check

Jul 23, 2005

I can't get a checkbox to check when the
value of a text field changes to something greater than 0.

<script language=JavaScript>
<!-- Begin
function sel_comm(comm_val)
{
if (comm_val > 0)
{
document.inhouse-f2.add_comm.checked = true;
}
}
// End -->
</script>

<INPUT TYPE="checkbox" NAME="add_comm" ID="add_comm" VALUE="1">
Commission: <INPUT TYPE="text" NAME="item_comm" ID="item_comm"
size="6" onChange="sel_comm(this.value);">

I just don't get why it's not working. I must be missing something,
but I have no idea what. The FORM tag's NAME and ID elements are
"inhouse-f2". What else could it be?

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Check All Checkbox

Jan 26, 2006

I'm using the following code for a checkbox that when clicked, either
checks or unchecks a group of checkboxes on a form. The code works
fine, except when there is only one checkbox in the group in which case
the check all checkbox doesn't work at all.

The code working with three checkboxes in a group is as follows, but
remove two of the three and you will see the code stops working:

<script language="javascript" type="text/javascript">
function checkAll( control, cbGroupName )
{
var cbGroup = control.form.elements[cbGroupName], i = 0, cb;
while( cb = cbGroup[i++] )
{
cb.checked = control.checked;
}}
</script>

<form>
Check all
<input type="checkbox" this,'select[]' );" >
<br><br>
<input type="checkbox" name="select[]" value="234">
<input type="checkbox" name="select[]" value="235">
<input type="checkbox" name="select[]" value="236">
</form>

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Checkbox Check

Sep 14, 2004

I'm pulling some records out of a database and placing a check
box next to each record that the user can check and use the delete button to delete the record.

I'm looking for some help to create a javascript function that I can fire
off when the user clicks on delete to check if a any records are checked
before submiting the deletion. if no check boxes are checked, I want to alertthe user to make a selection.

I'm thinking about having a loop in this function to loop through the
checkboxes and figuer out if at least 1 box is checked. Code:

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Check CheckBox

Sep 28, 2004

I have a page that displays records returned from a database and places a check box
next to each record that the end user can check if they want to delete a record.
The function below checks to make sure that at least 1 checkbox was checked before allowing the delete to be processed.

this function works just fine when I have more than 1 recored returned, but if I only have 1 record displayed on the page and check it and hit the delete button, I get this error

"Checked" is null or not an object

is there a way to modify the function to fix this problem.

function isCheckBoxChecked(boxgrp)
// This function is used to check if any check boxes
// are checked before processing
{
var i = boxgrp.length;
do
if (boxgrp[--i].checked)
return true
while (i);
alert('Select an Item to Delete');
return false
}

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Check A Checkbox

Nov 27, 2006

When a checkbox is checked, I would like a group of checkboxes on a page to be automatically checked.

I was thinking of going about it like this:

- value of top checkbox = check1
- values of all checkboxes that should be automatically checked (when top checkbox is checked)= check1_1, check1_2, check1_3 etc

- on the onclick event of the top checkbox, a piece of javascript would be executed that would iterate through all the checkboxes.

x = 1;
while (x < 10)
{
check1_(value of x).checked = true;
x++;
}

How could i go about doing the above in javascript?

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Get Value Of A Checkbox When Check Box Is Clicked

Nov 13, 2009

I would like to get the id of a html check box when the client clicks it. I want to do this on the client side so i need to use java script. I want to be able to do this in both fire fox and ie window.event.srcElement works great for ie but not for firefox do not tell me to use Event.target for firefox because that does not work. At least it is not working for me anyway.

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Check Checkbox's Dynamically?

Jan 10, 2010

trying to build two different functions:#1: Where cDay would be Mo and loops through 24 times:ie: document.delTime."cDay"1.checked = true;button would be <input type="button" name="Mo" value="Check All Mo" onclick="checkAll(Mo)">I have this but cant work out how to parse cDay into the function correctly:

function checkAll(cDay) {
document.delTime.Mo1.checked = true;
document.delTime.Mo2.checked = true;

[code]....

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How To Check If Checkbox Is Checked

Mar 5, 2003

How do you check if a checkbox is checked?

I tried this:

if (frmForm.chkMycheckbox.checked==true)

but it didn't work.

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How To Check A Checkbox Is Not Selected

Apr 29, 2010

<li>
<label><spring:message code="label.roles"/></label>
<form:checkbox path="roleIds" value="1" />

[code]....

Now what i want is to give an error message if any of checkbox is not selected , how can i do it Using jquery

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How Do I Check For Multple Selection Of CHECKBOX?

Jul 23, 2005

I wrote an application that generates HTML based on some database record set. One of the HTML generated is a checkbox with NAME=StudentID. This is to facilitate user to select this user for
further processing. This also means that ALL student have a checkbox named StudentID. I do I ensure that only one checkbox is selected at any time before the user proceed with the processing of the selected student.

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Check Checkbox Strange Problem

Dec 27, 2006

I have a program that creates dinamically a web page. In the page I have the following function to check how many checkbox are checked.

function tarInfo(info) {
var i=0;
var c=0;
var l=document.forms[0].selected_files.length;
alert(l);
for (i=0; i<document.forms[0].selected_files.length;i++) {
if (document.forms[0].selected_files[i].checked) {
c++
}
}
..
..

The problem is that if I have only one checkbox, the alert(l) write
undefined. If I have more than 2 checkbox, the function works well.
Here a part of the webpage with one checkbox.

<form name="form1" action="filemanager" method="POST"
enctype="multipart/form-data" >
..
..
<td>
<input type="checkbox" value="pbsrun.o100"
name="selected_files">
</td>
..
..
<input type="submit" class="button" name="tar" value="Tar"
tarInfo('tar')">

Where is the problem?

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Check All Checkbox For Array With Key Assigned

Mar 31, 2009

I am working with a checkbox array where the key is already set. So instead of being able to use name="name[]", I need to use name="name[0]" etc.. I would like a button or a checkbox to select all in the array(name).

The main reason for this is the nature of the checkbox. If a checkbox is not selected then it is completely skipped when looping through the array. To overcome this I added a hidden field of the same name which will assign a value even if the checkbox is not selected. Then the problem of using name[] arises.

The form is populated with hundreds of entries using PHP so I am looking for a way to loop through them all.

Here's a tiny snippet of HTML of how my form is set up.

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