Onchange Function Not Working

Aug 18, 2006

I have a dropdown that when the user selects an item, a function is called. Right it is giving me an error of 'object expected'. Can someone please take a look at my code below and let me know where I am going wrong? When I change the filldesc to an alert, it works fine and returns the correct values.

function filldesc(inputlevel1)
{
alert(inputlevel1);
}
<!-- Level one Headings -->
<select name='level1'
...

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OnChange Not Working

May 16, 2003

I have a web-based form which allows users to enter marks for a group of examination candidates. I have a function which performs some calculations on the data as it is entered and displays it immediately. The data-entry form-part definition is:-

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Onchange Not Working In IE

Feb 14, 2007

I have a select field that has an onchange attribute that fires an ajax script to fill out another field. It's working perfectly in every browser except IE, but I just cannot figure out why it's not being triggered in IE. Code:

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OnChange Event Is Not Working

Jul 23, 2005

In JavaScripts checks for an onChange event against the value of the
textbox at the time of the last onChange event. Since an onChange
Event never fired after you changed the text first time , suppose we
put the same value in the text box then no event is fired.

If we put some other value then it became fired...
It wouldn't fire if we put the same value...

I don't want to use onBlur etc... Isthere any solution with onChange
Event...?

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Dynamic Onchange Not Working

Mar 28, 2006

I've got some javascript that adds in form elements after a page has loaded. The checkboxes need an onchange event added to them which will call a function. However, if I enter the function call against the onchange event it doesn't work, if i enter the full function against the onchange then it does. Hard to explain but here's the working and non-working Code:

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Onchange Submit Not Working?

Oct 5, 2006

my javascript on change event submission is not firing,

<form method="get" name="frmSummary">
<select name="dRangeStart" class="selector_wide" onChange="this.frmSummary.submit()">
<option value="10" selected>:: Please select ::</option>

[code]....

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Combo Box OnChange Not Working In Firefox

Apr 24, 2007

I have written a javascript code which changes the combo_2 options on
runtime. It is working fine on IE but not working on Firefox. Code:

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OnChange Event Not Working In IE Properly / Fix It?

Aug 19, 2009

I have the following code which works fine in FF but not in IE. code...

In FF, when you change the Fund dropdown to be Romanian Floods, the location dropdown disappears and the location_box text box appears which displays the second part of the value (Romania). If you select another value from the Fund dropdown again, this box disappears and the location dropdown box would appear again. This is exactly what I need it to do.

In IE, whenever you select anything in the Fund dropdown (doesn't matter whether it is Romanian Floods or anything else), the value in the Fund dropdown disappears and thus when I press submit it doesn't work!

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Onchange Event Not Working In Mozilla 1.5.0.2

Aug 26, 2006

The onchange event is not working in Mozilla 1.5.0.2. Is this a Mozilla bug.

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Onchange Handler Not Working As Desired

Feb 18, 2010

So I have a form with three drop down boxes. When I select a value in the first drop down box, the options for the second dropdown box are retrieved from a PHP script via AJAX. Likewise, when I select a value in the second dropdown box, the options for the third are also retrieved via AJAX. This is done with an onchange handler. You can see how this works at the following: [URL] That works perfectly. I run into problems later however when I try to change the value in one of the dropdown boxes with Javascript.

See, I have a text field that a user can enter a string into (this feature is not in the sandbox at that URL yet), and that string will then be used to populate the dropdown boxes. For example, if the user enters "subject-genus-dog", then "subject" should become selected in the first dropdown box, "genus" should be selected in the second dropdown box, and "dog" should be selected in the third. The problem is, the onchange handler doesn't seem to trigger when the value of the first dropdown box is changed to "subject", and thus the second dropdown box does not get populated with options via AJAX, and so "genus" cannot be selected because the only option in the second dropdown box is the default "select a value in the first box".

Why doesn't the onchange handler trigger when a dropdown box is changed with the following code? [code=text]document.getElementById(destination).value = reloadValuesSubArr[1];[/code] Is this a bug in Javascript? Or am I doing it wrong? Keep in mind that the value of the first dropbox changes without issue, but the onchange handler does not trigger.

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Onchange=this.form.submit() Working In FF, Chrome, Not IE7?

Jul 21, 2009

I have two radio buttons. When their value changes the form is resubmitted. In other words, when you select the other one, the form is resubmitted.However, in internet explorer, it takes two clicks. The first click is to change the radio button (it has to be changed) and the second is to select the other one (it has to be changed, again). The form remembers the first change. Edit: You can click the unchecked radio twice and it will also submit. Usually.I'm not even sure if this should go here or HTML but I think here is the better options since I am, after all, dealing with javascript.

Code:
<table id="..." class="radio">
<tr>

[code]....

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Onchange Function Goes Only Once

Jun 14, 2007

I was working on a site that uses Google Checkout buy now buttons, and
I wanted the product picture to change based on what was picked. I was
able to have it change the picture, but if you pick a new item after
that, it keeps the same picture. Here;s the code:
The box (only the first part):

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Function With Onchange Event

Jul 23, 2005

I have an array with mysqls data. I have used this array with several text
box in a formulary.

My question is: How could i use the event onchange to make a function which
update the data of array when i would have change data in a text box.?

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Multiselect Box Onchange Function?

Jun 4, 2010

I'm trying to write a form and I need to allow the user to select more than one option from a list of options, if the last option is selected I have a hidden DIV that displays.This all works fine unless the user selects more than one option AND the final option "other" (ie using the control key to make the selection)... the code is below:

HTML Code:

<table>
<tr>
<td width="160">Select your color:</td>

[code]....

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Onchange Event With Function?

Oct 14, 2010

I'm having some difficulty in accessing an 'external' function from my onchange event. It will work when the function is included 'inline,' but it's not working when the function is 'stand alone.'Additionally, when it works, the variable isn't being passed - the alert I use says "[object Event]"

Code:
<head>
function nameTextBox2(selectBoxName)

[code]....

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OnChange Call A PHP Function?

Aug 24, 2005

Can a OnChange event call a PHP function?

Currently an OnChange event on a listbox I want to pass the value (a path) to a PHP function.

Not sure if this can be done...

Currently I have captured the path... now I need to get the path into a PHP Function!

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JQuery :: Hide / Show Not Working In Select Onchange - CODE CASEING NIGHTMARE?

Nov 12, 2010

I recently learned that the <option> tags can not use the onclick attribute inside of IE.This works great for firefox, but sadly not a single version of internet explorer supports it (from what I am told via countless Google searches).I have been modifying my attempit at a solution to use the <select> tag with the attribute onchange. Maybe I am casing this wrong, or not seeing a solution as the below code does not operate in any browser, and no errors are reported back through firebug or IE.Excuse my sloopy attempt at {smarty tags} this script is written in a bunch of PHP object->vales and to save space cored the issue down to it's basics.On change of the select box, the value="5-28" is sent to javascript showBox to split the number away from the id_trips and only focus on the locations (the number before the '-' . IF the location matches the switch value then the box should show / hide or value change. The IDs are all correct I just think that there is a ' or a " or something off as I am not a javascript expert.

my SQL return values
<code class="php">
//PHP VARIABLES from QUERY sample loop 1

[code]....

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Calling Variable In Onchange Function

Jul 23, 2005

I am using a javafunction (onclick in select) in which i am calling a
function in php (thats why i send this to both php and javascript
newsgroups).

in the onclick i call the function "Place_Selected" with the value from the
select (naam_keuze.value)

in the function the value becomes the $zoek_id and searches in the database
for the record with the id of $zoek_id

the naam_keuze.value does not give the value to $zoek_id When i replace naam_keuze.value for a number (15) i works great.

WHAT AM I DOING WRONG? Code:

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Php Is Not Function With Onchange Dropdown Menu

May 10, 2009

i need to display selected item from dropdown menu into text box. what i want to do is when user select the item it will display on textbox call programme (java script) and also when button search is click it will display the total number of particular programme (php). for now, selected programme is function but the other one is not.

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Ajax :: Calling The Same Function For Each Onchange, Or Different Functions?

Jul 20, 2010

I'm trying to build a t-shirt creator application w/ php and ajax.You can see where I'm at here.Thus far, I've successfully passed the first parameter from the form via a function called from an onchange event, which uses a php script to pass simple text (for the time being, 'til i get this figured out), which you can see working on the page.trying to update the output w/ each change they make via the form. For every step, the output on the right needs to update.Should I be calling the same function for each onchange, or different functions? Here's what I'm using as far as AJAX/form goes:

Code:
function showShirt(s) {
// CHECKS IF THE STRING IS EMPTY
if (s=="") {[code]...........

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Changing OnSubmit To OnChange Form Function

Mar 21, 2010

I have the following form working with on onsumbit function, but I would like to change it so that instead of having to click the purchase button to see total price, you only have to change the quantity text box input. I just can not seem to get it to work.

<script language="javascript" type="text/javascript">
function checkQuantity(frm) {
var succesful = false;
var numQuantity;
numQuantity = parseInt(frm.Quantity.value);
var numTotalPrice;

if (numQuantity != 0) {
numTotalPrice = numQuantity * 4;
frm.TotalPrice.value = numTotalPrice; //new String(numTotalPrice);
successful = true;
} else {
alert("Sorry must order more than 0");
successful = false;
} return succesful;
}
</script>

<form action="" onsubmit="return checkQuantity(this)" style="width: 193px">
<table cellpadding="4" style="width:111%">
<tr><td class="style1">
Quantity:</td><td class="formInputCell">
<input name="Quantity" type="text" style="width: 55px" /></td>
</tr><tr><td class="style1">
Total Price $
</td><td class="formInputCell">
<input name="TotalPrice" type="text" style="width: 55px" /></td>
</tr><tr><td class="style2"></td>
<td><input id="Submit1" type="submit"
value="Buy Now" class="buttonstyle" /></td>
</tr>
</table>
</form>

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OnChange - Pass 5 Values To The CalcAvg() Function?

Sep 17, 2010

In our class we were assigned a project to create a Web page with 5 text boxes, each with a value attribute of zero. When the user changes the values, it is supposed to call a caclAvg() function. How do I pass 5 values to the calcAvg() function? It specifically states in our book to create an onChange event handler for each textbox. Wouldn't it be easier to somehow create a variable onChange, then after all 5 textboxes have changed, pass the 5 variables along to the function? I know the following code is a mess, I've tried so many ways now. I'm sure this is an easy, routine procedure for most of you.

function calcAvg(value1) {
var functionValue = value1;
}
<form action="" method="post" name"values">
<input type="text" name="value1" value="0" onchange="calcAvg(this.value)" />
<input type="text" name="value2" value="0" onchange="calcAvg(this.value);" />
[Code]....

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OnChange Says Function Not Defined In External Js File

Feb 5, 2010

I have the following code as js for <a href="http://www.oxbowcreations.com/wedding/personalize.php">this</a> site.

Code:

// JavaScript Document
function setQty(id)
{

[code]....

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Onchange Doesn't Trigger Function Call?

Jul 14, 2010

THIS WORKS:

<html><head><script type="text/javascript">
function recalc() {
alert ('Entering recalc().');
}

[Code]....

The first example works, which shows that the recalc function can be called. The second example works, which shows that onchange will trigger an alert box. BUT, the third example doesn't work. Why can't I trigger a call to the recalc function from the onchange event?

The above 3 code postings are the entire programs. Nothing has been left out or modified.

I am using IE 8.0.6001.18702.

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Create Some Iputs - Call Function On The Onchange

Apr 20, 2011

I create some iputs using this code :

Code:

And i would like to call this function on the onchange.

function c(group,position){

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JQuery :: Function Inside Onchange Event Not Firing?

Jul 12, 2010

$('#newPrice').change(function() {
this.value = this.value.replace(/[^0-9.]/g,'');
checkPrice();

[Code].....

Ok, so the above code will do the regex when the contents of the textbox changes, but it does not seem to call the checkPrice function I've placed after it does the regex.

I have the above on Change code in a .keyup event and it works as expected.

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