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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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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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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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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Function - Check On A Check Box Another Check Box Appears

Jan 28, 2009

I want a function that when you check on a check box another check box appears.

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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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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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Dec 23, 2009

need help in making a check box list menu, wherein when initial check box is clicked another checkbox will appear.

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Check All Checkboxes Using One Main Checkbox?

Mar 3, 2010

I want to check all checkboxes using one main checkbox. Then, the checkboxes will be disabled. But then, when the user unchecks the main checkbox, it must revert all the checkboxes to be enabled. How do I do so?

<!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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Apr 21, 2011

i want to check off a checkbox while i'm typing. for an example if i'm typing "oranges are good" and i have oranges, apples, and blueberry under my check box. i want oranges to be checked of as soon as i type oranges in my phrase "oranges are good". i'm trying to do this using jquery.

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Add A Button Or Checkbox To Check/uncheck All?

Nov 18, 2009

I would like to add a button or checkbox to check/uncheck all. Note we are already using some javascript for custom checkboxes so it needs to integrate with that.

Here is the current javascript...

Code:
/*
CUSTOM FORM ELEMENTS
Created by Ryan Fait

[Code]....

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Check Checkbox OnChange Of Another Field?

Mar 2, 2011

I have a form that is basically a table from my database.I have checkboxes on the left and only those checked get updated on submit.I�m trying to make an function that is called with an onChange event that will check the box if any of the fields in that row are altered. The id of the checkbox is checkeds[i] where �i� is the row number.The function is firing, but the box isn�t getting checked.

Code:
function checkBox(row)
{

[code].....

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Check / Uncheck All When Checkbox Names Different

Dec 12, 2008

Is there a way to do a check/uncheck all on a list of checkboxes that have different names/IDs? Like this:

HTML Code:
<input type="checkbox" name="checkbox1" id="checkbox1" value="All" onClick="checkAll(document.form.checkbox,this)">All Checkboxes
<input type="checkbox" name="checkbox2" id="checkbox2" value="First"> First Checkbox
<input type="checkbox" name="checkbox3" id="checkbox3" value="Second">Second Checkbox

Below is the JS code I've used in the past (when my checkbox names/IDs are the same throughout)
Code:
function checkAll(checkname, exby){
for (i = 0; i<checkname.length; i++)
checkname[i].checked = exby.checked? true:false;
}

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Disable Checkbox Unless One Check Is Checked

Dec 23, 2009

Code JavaScript:
<script language=javascript>
function apply()
{
document.frm.sub.disabled=true;

[Code].....

Im using the above code. if, change this code for array of checks box not working. If i change above html code like below , Then how to change javascript?

Code HTML4Strict:
<form name="frm">
<input type="checkbox" name="chk[]" onclick="apply()" />
<input type="checkbox" name="chk[]" onclick="apply()" />

[Code]....

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Checkbox Not Being Check On CheckAll Button?

Aug 26, 2009

I currently have this script, I need it to check when I click the checkall button.

now for some reason the select all button isnt working...

Current code:

Javascript:
<script type="text/javascript">
function checkall(chek)
{

[Code]......

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JQuery :: Check A Checkbox When Textarea Is Typed In?

Mar 4, 2011

I think I have what is a simple question: I would like a checkbox to be checked if it is not already when a user types in the text area beside it. Form layout is demo'd below.

<table>
<tr>
<td><input type="checkbox" name="box[1]" value = "x"></td>
<td><textarea name="area[1]">

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JQuery :: Check If Checkbox In An Iframe Is Selected?

Jun 18, 2010

How can i check (from the parent) if a checkbox in an iframe is checked. Would this work?

$("#iframe").contents().find("input:checkbox").click(function() {

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Jun 21, 2010

How can i check that the value of my checked radiobutton / checkbox (between two or more) is exactly the one i want? at the moment if i check a radiogroup the validation returns always the value of the first radiobutton / checkbox.[code]..

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