Dynamically Enable & Disabled Form Fields?

Mar 10, 2010

I have a form with 3 fields that will allow a user to search a database of clients by either name, email, or client id number. However, I would like the user to only be able to put information in one field. It can be done be either deleting the other two fields when the user inputs information into a different field, or by disabling the other two fields when the user enters information in one (and also frees up all fields if the user ends up deleting what they entered).

Below is a start of what I had. Basically, it will disable the fields when I mouse out of them but won't re-enable them when I mouse back in. As you can see, I tried various combinations of events. (My code below also doesnt null out the other fields when the user opts to use a different field than the one they first began to enter info in).

<html>
<head>
<script type="text/javascript">
function makeDisable($ID){
var x=document.getElementById($ID)

[Code].....

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How To Enable Disabled Form Field

Feb 20, 2011

I'm trying to to enable a text field with javascript (it is disabled originally). The name of the text field is duo[x]. (I need to keep the brackets so php will reconize it as an array.) In javascript, I was trying to use to use: document.form.duo[x].disabled = false; (but that didn't work).

Here is what I have right now:
Code:
<html>
<head>
<script type="text/javascript">
function change(code) {var a = "Duo[" + code + "]";
document.form.a.disabled = false;
}
</script>
</head>
<body>
<form name="form">
<select name="select" onchange="return change(x)">
<option>Opt 1</option>
<option>Opt 2</option>
</select>
<input type="text" name="duo[x]" disabled></input>
</form>
</html>

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We're using Malsup's form plugin v2.82 and jQuery core 1.6.2. We're having issues in IE7 where, on a form with file upload, form fields are being dropped before the form is submitted to the server.We tracked it down to the `fileUpload` function, specifically line 196 where each field in the form data has `.attr('disabled',false)` run against it. If we change this to`.prop('disabled',false)` it all works fine.I don't see a clearly marked place to submit bug reports for the form plugin, and wanted to verify that others see this as well,

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Jul 4, 2011

I have a form that only shows the submit (update) buttons if the value select field beside it is changed. But what is someone has JS disabled, how can I enable them?

<select title="3553" name="3553" onchange="JavaScript:document.cart.add3553.disabled=false;">

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Dec 6, 2010

I have multiple forms on my website. Some of them have a checkbox which is checked by default, whereas others are unchecked by default. I'm trying to figure out how I would detect whether or not the checkbox is checked, and if it is checked, disable certain fields (not necessarily all fields), and then toggle it back and forth as I check or uncheck the box..I found this code:

Code:
<script language="javascript">
<!--

[code]....

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At the moment as long as one input val has been entered it enables the button?

Could someone advise how to make it so it only enables if all vals are entered?[code]...

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Mar 22, 2010

Code...

Since I changed hosts for my web site Ive had a few creases to iron out. I'm hoping this is the last one...

Basically on this page http://www.pauserefreshment.co.uk/go...arch_2010.html i had a really cool light box effect pulled from this site code...

Unfortunately it no longer works :-( Ive checked the file paths and cant see the problem. I'm totally foxed. The CSS and java script files look the same so I just cannot fathom why when you point over an image on this page
http://www.pauserefreshment.co.uk/go...arch_2010.html the light box effect remains disabled.

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May 19, 2010

I have a script that enables a certain button when some conditions are met. I'm having an issue with it, so I made a simple script to get to the core of what I'm trying to do. This is the script that I'm using:

function disable()
{
document.form.button2.disabled='false';

[code].....

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Jun 24, 2011

I created a form that contains about 10 form fields and would like to add the option to dynamically add more sets of those 10 fields if a user clicks a word or a button but I need help. I'm a beginner when it comes to JavaScript. This is what I need to generate dynamically.

<div id="dynamicInput">
<ul>
<li>1</li>
<li><input name='textfield1' type='text' size='10' /></li>

[Code]....

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Jan 20, 2011

I need to make a form in which I have to enter upto 20 email addresses. But I want to show only 5 fields first and then an Add More button. Upon pressing the Add More button it should add another field into the form and displayed. I have seen this type of thing on several websites but don't know how to do it.

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Jul 8, 2010

The site I am working on has a few forms that allow the user to add new form fields (textbox, textarea, etc.) dynamically. I am using a structure smiler to:
<form>
<label>Name : </label> <input type = "text" / >
<label>Age : </label> <input type = "text" />
<span id = "add_field"> Add Field </span>
</form>

<script type = "text/javascript">
$(function(){
//create a new field then append it before the add field button
$("#add_field").click(function(){
var new_field = " <label>Name : </label> <input type = "text" / >";
new_field+="<label>Age : </label> <input type = "text" />";
$(this).before(new_field);
});});

As you can see I create the field using javascript and just insert it before the add field button. However I have seen lots of other sites have a smiler sort of function but they seem to make an ajax call for the field as they use a loading-type animation during the few seconds it takes for the field to be added. My questions are : Which is a better way of doing this type of thing? And why is one better than the other? If it is better to create the field client-side should I change how I am doing it? Instead of creating a string representing html and appending it should I be doing it a different way?

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Jul 27, 2010

Below is the html and js I have so far to dynamically place form fields on the form when a certain radio button is marked (Fixed hours). Problem is I can't get the fields to go away if the other radio button is marked (Variable hours). Solutions on what code my js needs to remove the fields when the opposite radio button is marked?

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Nov 2, 2004

My client wants to upload multiple files to the server using the FILE type input of the form. Their requirement says that once they click the browse button of the FILE INPUT type , besides file browsing window another FILE FIELD is added at the bottom of this one. and when the user clicks the browse button of second, it adds another until the user clicks the UPLOAD button to submit the form.

I dont know it is possible or not ???? if yes then please tell me how.

The alternate way is to give drop down menu with number and when the USER chooses certain number then ..that amount of FILE FORM FIELDS will be added. i.e if user chooses 3 then three file fields are there to upload 3 files at a time.

I have written a script that i am pasting here, but when i choose the drop down menu and select value the FILE FIELDS are shown but the original drop down menu vanishes..
Please review my code and modify it or refer some script to me.

IF The first choice is possible, i mean adding each FILED by browse button click , then tell me its code, other wise modify this code that i am pasting or give me some link to download a premade script. Code:

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Sep 11, 2009

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Mar 1, 2009

So, I have a form that, when the user clicks on a link, uses J/S to generate extra form fields for extra information. I can retrieve the value of the dynamically generated fields using $_POST in I.E., but it doesn't work in Firefox (no value is returned). Retrieving values for the static fields is fine in both I.E. and Firefox.

Here's the code - is there a function I'm using that could be replaced with something more friendly to Firefox?:

<script type='text/javascript'>
var i = 1;
function addArea() {
var newArea = addElement();

[Code].....

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Mar 3, 2011

The link below is a stripped down section of a form.

[url]

The problem I'm having is with altering the names of the fields. I'm trying to add an identifier on the end. "_X_1", "_X_2" after the new sections are added.

NOTES:

Incidentally, "_X_" is a delimiter so the key can be converted into an array on the back end to extract data from it.

I can't alter the "repeater" variable because it would be extremely complicated on the back end.

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Jun 5, 2009

Currently, I have a php form with various inputs, and a div where I am embedding an (initially) empty open flash chart object.Right now, I am calling a php file on the submit of the form, which takes the form data, calls a python script to process the form data, and then creates an open flash chart object using the data the python script returns.There are a few problems with this:

1. When the submit on the form is called, it goes to a different page where the chart is displayed, when I would really just like to update the contents of the chart div where I initially embedded the empty chart.

2. The processing of the form in the python code can take some time, so what I would really like is to have the chart "check" the output of the python script periodically and update the chart each time, adding the new data points to the old ones.

I know I can do all of these things with javascript and Ajax, I just can't seem to find any tutorials or examples that are exactly what I am looking for.

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Nov 21, 2010

I'm having some trouble with my dynamically generated form fields.

As you can see I'm generating new form fields, but the problem lies within the grade field. I have it set up now so that when you change the grade the color of the <select> box changes relative to the grade. A-D are green, F is black with white text, Not Taken is just regular white with black text and In Progress is lightly shaded grey.

I want it so that each one can be changed individually, but I can't seem to be able to figure out how to do that. Heck if you change the first one's grade field, that colour follows the rest of the clones.

This is the jQuery I'm using to change the color of the thing.

$("select").change(function()
{
$(this).each(function () {

[Code]....

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Sep 22, 2010

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So, to illustrate: How many users do you have: [ 2 ](and after the field above lose focus, the below will be generated)

Fullname: [ ]
Fullname: [ ]

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Jun 26, 2009

this site,I had a problem with my code. I had two radio buttons when i click the first radio button i want to appear one login form(username,password&submit button) and some fields like texbox, radio buttons.here the login form is only in enable state remaining fields must be in disable state. When i click on second radio button then i want to disappear the login form and the remaining fields must be in enable state.here is my code

<html>
<head>
<script language='javascript'>

[code]....

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Oct 26, 2005

I am wanting to make a few fields required after they are enabled, but it's not working well.

<script language="javascript">
function enableAdd(){
document.form1.empJobTitle.disabled=false;
document.form1.empExt.disabled=false;
document.form1.empEmail.disabled=false;
}

function disableAdd(){
document.form1.empJobTitle.disabled=true;
document.form1.empExt.disabled=true;
document.form1.empEmail.disabled=true;
}

function validateCheck(){
if(document.form1.empJobTitle.disabled=false && document.form1.empJobTitle.value=="");
alert("You must enter the employee's job title.");
return false;

if(document.form1.empExt.disabled=false && document.form1.empExt.value=="");
alert("You must enter the employee's extension.");
return false;

if(document.form1.empEmail.disabled=false && document.form1.empEmail.value=="");
alert("You must enter a valid email address for the employee.");
return false;
}

</script>

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