How To Add Fields Dynamically In Form

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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Add Form Fields Dynamically?

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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JQuery :: Better Way To Dynamically Add Form Fields

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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Changing Form Fields Dynamically?

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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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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Dynamically Adding Form Fields By Javascript

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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Assigning Values To Form Fields Dynamically Using Iteration?

Jul 8, 2009

I am trying to assign values to a bunch of form fields. However, I don't want to loop through EVERY field in the form, just a specific subset of fields. The fields I am trying to change are all named similarly myField1, myField2, myField3.So, my thought is that I would like to use a for loop and loop through the appropriate fields by simply incrementing a variable and appending it to the end of the string "myField" in order to change the appropriate field.How can I evaluate "myField + iterator" into a useable reference to change the value of said field?

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Retrieving Value Of Dynamically Generated Form Fields In Firefox?

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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Jquery :: Altering Dynamically Created Form Fields ?

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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Ajax :: Dynamically Update Contents Of Div Based On Form Fields

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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JQuery :: Adding Color Effects To Dynamically Generated Form Fields?

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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JQuery :: Dynamically Generate Specific Numbers Of Form Input Fields?

Sep 22, 2010

I am not new to jQuery but I just want to ask the best way to approach this. Basically I have a textfield in which the user is going to type in a number (for example 20) and after this textfield lose focus jQuery will be triggered to create whatever number of textfields the user put before (in this case 20).

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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JQuery :: Form Validation - Two Input Fields In A Form - Only One Of Two Fields Is Required

Oct 10, 2009

There are two input fields in a form, but only one of them is required, they are not required at the same time. Either A or B is required. ( A is required OR B is required). In other words, a user can input data to field A, or he can input data to filed B, but he can not input data to Both A and B at the same time. How to implement this constraint in Jquery form validation?

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Add And Delete Form Fields BUT A Textarea Or A Section Of Input Fields

Oct 11, 2006

I have been looking for the past 2 days for a script that I can add and delete table rows.

I have found a lot but so far all of them add an input field but I desperatly need a textarea or ideally a section of input fields.

I have tried to change the code from input to text area but none of them worked.

Have you come across to a similar script.

I would appreciate any contributions.

What I am trying to do is a page where the user will add their employees details so we can order business cards for them. So I have fileds such as, Name, Tel Num, Email, Cell etc.

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Order Form Change Text Fields With Select Fields

Jan 24, 2011

I have this order form where the customers can change the quantity by intput in a text field.I would like to have the text field changed with select fields, but doing so in the form, the script is not doing anymore.Can anyone have a look and tell me what to change in the scritp to accept select fields in place of the text fields.

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Dynamically Calculate The Sum Of Fields?

Feb 13, 2007

I've created the code below which automatically adds two fields together (drop-down boxes),without the need for a submit or input button.Now,I am trying to do the same again, but this time instead of having drop-down boxes,i need to have text input boxes.(eventually i will be adding monetary values together).

-----------

<script type="text/javascript"><!--
function updatesum() {
document.form.sum.value =[code]......

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Dynamically Created Fields With Firefox

Apr 4, 2006

I want to give the user the abillity to add extra fields as needed.
I've got it working in IE (surprsingly this works in IE but not in
Firefox), however, basically I have an input field for a paragraph. If
the user decides they want two paragraps then they can click an image
and a new textarea field is show that allows them to add another
paragraph. The fields are named as an array for example name="para[0]"
the next one would then be name="para[1]". Firefox creates the field
and shows it to the user however when you submit the form the new field
does not come through. My array of paragraphs consists only of the
original number I started with. Any added by the javascript are lost.
Again IE this works fine, Firefox it works till you submit the form.
Any ideas?

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Adding Table Fields Dynamically?

Jul 13, 2011

I want to add rows and columns on click. So, i have a table with columns and rows and I had a add and remove button. So I want the user to be able to add/remove more rows if they have multiple inputs/outputs.So what I want is when the user clicks on add.png, I want another row of Input and Description to appear underneath the current oneHere is my code..

<img src="images/add.png" width="15" height="15" align="right" >
<div class="open">
<table width="200" border="0">

[code]....

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Validate Dynamically Added Fields ?

Jan 6, 2011

I have a form where the users can add "name" and "id" fields by clicking on the "Add" button.

The input fields look like this (each pair is a row):

The 'name' and 'id' attributes are dynamically named with the integer increasing in value, by 1, for every new field.

As this is client controlled, I do not know how many rows there will be...

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Calculate Dynamically With Fields From PHP Query

Feb 17, 2011

I am trying to calculate text fields from results of php query. My fields come from the query as amount1, amount2.... What I need is for JS to Sum those fields dynamically, I already did code for when i have all the values and for when the text field name is the same, but never for query results where the names are different. This is what I have so far but its not working

function calculatesumexcon() {
var a, total = 0;
var countJS = "<?=$count?>"; <-- variable of php that gives me the number of rows I am getting on the query
var i ;
for ($i=0;$i<countJS;$i++){
var elements = document.getElementsById('amount' + i);
for(a=0; a<elements.length; a++){
total += (parseFloat(elements[a].value));
}}
document.getElementById("totalextracon").value = total ;
}

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Dynamically Created Fields Not Being Sent With Submit?

Sep 27, 2010

I have the following code (at the end) that will create a new distribution row dynamically.

Everything looks good on the page and here is the innerHTML for the new row:

<TD style="WIDTH: 10px"> </TD>
<TD colSpan=4>Distribution to: <INPUT name=newdistacct> <INPUT name=newdistshare> <INPUT type=checkbox Name="newdistdefault"></TD>

[Code].....

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JQuery :: Validating Dynamically Generated Fields

Dec 3, 2010

I'm trying to validate a set of dynamically created field names, for example

Name: <input type='text' name="s1[name]" id="s1[name]">
Image: <input type='text' name="s1[image]" id="s1[image]">
Name: <input type='text' name="s2[name]" id="s2[name]">
Image: <input type='text' name="s2[image]" id="s2[image]">

[Code].....

There can be any number of 'groups' but I would want to apply some validation for each item in a group. I can only see that the validation is done by specifying a id? however as the id's are going to be dynamically created how can I do this? can you validate for a css class?

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Dynamically Created Fields Are Not Being Submitted Anymore

Feb 10, 2011

I have a js script:

var inputCounter = 0;
function addInput(divName){
var newdiv = document.createElement('div');

[Code].....

was working perfectly, until i did some minor changes to the script that was not even related to that part of the script, and it now shows Notice: Undefined index: f1 in C:Apache2.2htdocs sindex.php on line xxx meaning that the data is not set anymore. everything else is working perfectly. the fields are still added as before, but the data does not post. what might cause this not to work all of a sudden?

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JQuery :: Attaching Events To Dynamically Added Fields?

Jan 5, 2009

I have a dynamic form with fields named using brackets ([]). Validation is working for fields that existed on the initial page load, but when I add append the code for a new field, the validation events are, of course, not attached to the new DOM elements. What's the best way to accomplish this?

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Dynamically Generated Input Fields Length?How Many On Page

Sep 28, 2005

I have a problem with getting the length of the dynamically generated input fields by the getElementbyname method. Here is my code:

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Creating Fields Dynamically Upon Clicking And Data From Mysql Tables

Sep 13, 2010

I have here a code that will automatically generate two text fields (Title & Price) when "Add another article" is pressed. I got this from the web, but I want instead of using a text field, I want it to create a drop down menu based on a mysql table, then update the price automatically (also based on the mysql table) on the other text field once a selection has been made on the drop down menu.

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