Copying Input Array Element Values Between Two Forms?

Nov 3, 2009

I have two forms with identically named arrays on each. I need to copy the values to the second form's array. Here's a simplified version of the HTML:

<form name="mainform">
<input type="text" size="10" name=firstnames[] value="Joe"/>
<input type="text" size="10" name=firstnames[] value="Bob"/>
<input type="text" size="10" name=firstnames[] value="Pat"/>

[Code]....

I'd like to be able to submit hiddenform with the firstnames array equal to ['Joe', 'Bob', 'Pat']. But I seem to be getting an awful lot of ['', '', ''] no matter how I go about it.

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Getting Input Values From Forms?

Mar 9, 2011

I'm trying to write some javascript code that will give a user one of two messages (Correct or incorrect) base on whether they answer a question correctly. I have 2 issues that I was hoping someone could help me with:

1) My "incorrect" and "correct" messages all appear on the page load. Is there anyway to start without them being there?

2) More troubling: No matter what I put into the input boxes, the "incorrect" message pops up. Basically I need to better understand how to grab the actual input value (it's commented down below so I think that this should be a quick fix!)

Code:
function showAnswer(blurred,response)
{
var form = blurred.form;
var rbs = form[blurred.name];

[Code].....

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Nov 5, 2009

I'm trying to add an input element to all forms using appendChild.

The script first searches for input elements with the name of "myinput".

If it finds an input element with that name, it assigns the value "myvalue".

If it can't find an input element with that name, it tries to create a new one for all forms.

What's wrong with my code?

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Does A Form Element Know Its Own Index Number In The Forms[].elements[] Array

Aug 24, 2010

I have a form element that looks like this:

<input type="text" onchange=doSomething(this)>

and a function:

function doSomething(theField){
}

I know that within the function I can access properties of the field (e.g. theField.name and theField.value). But how do I access theField's index number in the form's elements[] array -- from the "this" reference that was passed to the function? I.E. if this field is elements[3], how can I get at that 3?

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Jan 23, 2006

How would I go about creating a new arrary which consists of the values for every text input within a form? The array would need to be created dynamically when the function is called (by clicking a button or whatever). Is this possible?

So if the input fields looked like this:

<input type=text value=banana>
<input type=text value=pear>
<input type=text value=grapes>

An array like this would be created once i ran the function:
var values=new Array("banana",pear","grapes")

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JQuery :: Get An Array Of The Values From A Few Input Fields?

Feb 8, 2010

what is the best/easiest/fastest way to get an array of the values from a few input fields?

<input type="text" name="a" value="x" />
<input type="text" name="a" value="y" />
<input type="text" name="a" value="z" />
to [ 'x', 'y', 'z' ]

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Jan 3, 2011

Is there a shorter and cleaner way of performing the following:The objective is to get the value/input from the first set of textboxes in the form and copy them to other set of textboxes.

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Oct 1, 2003

Hello everyone I was just try to copy the contents of a table and put it in a multidimentional array! But for some reason it keeps rewritting over each time only returning one row! I just cant figure out what I am doing wrong its probly simple! Any help would be great!

Code:
var tabular=new Array();
function copyTable(){
obj=document.getElementById("theTab");
for(i=0,j=0;i<obj.rows.length,j<obj.rows(i).cells.length;i++,j++){
tabular[i]=new Array();
tabular[i].push(obj.rows(i).cells(j).innerText);
}
alert(tabular);
}

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Array Undefined After Setting Equal To Values Of Several <INPUT> Fields

Apr 7, 2009

I keep getting <undefined> when I alert out the value of my array 'fadeimages1'. Using php/mysql I retrieve filenames from a directory and create <INPUT> fields to store the filenames. In the javascript portion of the code, I use getElementsByName() to retrieve all of the <INPUT> fields. I then declare an array, 'fadeimages1'. Next, using a for loop I try to copy the values from the <INPUT> fields into the array 'fadeimages1'. When I alert out the length and value variable for each <INPUT> field, I get the correct filename, but after trying to store the value into 'fadeimages1' array, I get value is <undefined> when I alert it out. BTW, the following code uses 'fadeimages1.push()', but I also tried 'fadeimages1[i]=...'. Both result in <undefined> values.

[Code]....

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Nov 14, 2011

how to add forms in javascript, but it's limited to text input forms.

<script type="text/javascript"><!--
function updatesum() {
document.form.sum.value = (document.form.sum1.value -0) + (document.form.sum2.value -0);
}
//--></script>

Where the inputs sum1 and sum2 are text fields you put whatever numbers you want in. That works fine. Great. Now what I'm having trouble with is modifying the code so that it will add one form with an input number with a form that spits out a randomly generated number.

<input type="button" value="D20" onclick="this.form.display.value = Math.round (20 * Math.random())" class="buttonHi" />  <input name="display" type="text" size="6" value="" />

This is what I'm using for my random number generator. So basically I want to be able to put, say, 5, into the input text field above this. And then click on the d20 button to get a random number, say, 15, and then have the first code add the inputted 5 with the randomly generated 15.

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May 18, 2009

I am trying to develop a small web based inventory programme. In the programme, after orders are placed for supply of an item, the materials are to be recieved by the stores. For this a "goods received page" is used. On start the page loads items as per the purchase order in the database. Javascript is used to calculate the cost of each item and total cost of all items. since the number of items vary from order to order I use the following code to load the page. ( PHP is used in the server side).

<input type='text' size='10' name ='rqty[]' value='1.000' align='right' onchange="recalculate()">
<input type='text' size='10' name ='rqty[]' value='2.000' align='right' onchange="recalculate()">

[Code]....

My problem is that the above will work whenever there are two or more items and the variable qty is actually an array. But it does not work when there is only one item. In other words, it does not recognises a single element array. value of rsize is returned as undefined. Splitting the loading process with seperate naming for single items as rqty and multiple items as rqty[] is not possible as option to be given to delete items from a multiple item page. This may end up in a single item page eve n when there are multiple items at load time.

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Dec 13, 2011

I'm trying to copy some data from an id to an input field when a drop down menu is changed

$(document).ready(function()
{
$("#reservation_copy").change(function()
{

[Code].....

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Nov 15, 2010

I have a table with a date field in each row:

The table, and the input id element, are dynamically created from database records and I use jQuery live to initialize the datepicker for each field, like so:

The idea is that when I click in the input field, the datepicker pops up and allows the user to input a date. While the date shows in the input field in the table, the value attribute of the input field is empty. I can't use the getDate() method on the datepicker, since I can't programmatically connect the datepicker element in any particular row with the input element in that row. I tried the onClose method shown below, but that doesn't work either. Has anyone done this successfully?

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Jun 27, 2011

Can anyone tell me the diff between the following two statements

var username=document.forms['myForm']['username'].value;

var username=document.myForms.username.value;

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Array In Forms

Feb 22, 2002

i have an array in an HTML form.

UserName[1], UserName[2]...
all the UserName r actually a checkbox.
now i need to disable them upon a disable button.
in my function i created a loop
for (Counter=1; Counter <=CheckMarkCounter; Counter++)
//CheckMarkCounter is alredy set to something like 5.
{
document.Form1.UserName[Counter].disabled=true;
}

but that failed to work.
so i tried
to do the following, write the statment into a string and run it by using eval:

st='document.Form1.UserName['+Counter+'].disabled=true'
eval(st);

as for the string, its fine but still the eval gives me an error: document.Form1.Username.1 is null or not an object....

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Mar 2, 2009

I want to create an associative array dynamically pulling the index values from an array (propertyArray); Associative array is created inside create function and then returned. But after it is returned, I cant use index names to retrieve values. It returns undefined as below code shows.

Code JavaScript:

var propertyArray=["a","b","c"];
function create(){
var array=[];

[code]....

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JQuery :: Checking Multiple Input Values Against Various Other Hidden Minimum Values

Jul 19, 2011

I have a list of products where they have minimum quantities in a hidden input. Some products have multiple colours, though the same minimum quantity and I'm trying to implement a jQuery check that entries made are at least equal to the minimum.

Blank or '0' entries are fine but if it's below the minimum quantity it should set to the minimum.

HTML:

Is there something obviously wrong with this? It isn't performing the minimum check and I'm really not sure why.

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Read Values Of Checkbox Into An Array And Display The Values?

May 10, 2009

function read()
{
var numbers = new Array();
for (i = 0; i < field.length; i++)
numbers[i] = document.test.checkboxName.value;
var counter=0;

[Code]...

I want to read the values of the checkboxs and store the vlaues into an array (there are more than 1 checkboxs) the form name is text and the names of the check box = checkboxname

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Pop-Up Pass Multiple Dynamic Values Between Forms

Jul 23, 2005

I'm trying to pass multiple dynamic values between a slaveform and a
masterform. The problem I'm having is on the slaveform I loop through
multiple records and want two values depending on the row they select....

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Jul 5, 2010

I'm currently working on a website called 'eXtreme Gaming' I've almost completed it, apart from two things.

- Adding two values on my checkout page for the Grandtotal (I've tried everything, but I'm too much of a noob and have probably missed something small).

- Validation of forms (I don't know where to start here, I've looked on w3schools for tuts etc but I'm having difficulty incorporating it on my site)

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Apr 10, 2010

This one is throwing me off! Either I am making a stupid mistake or I'm doing it totally wrong I have an array, and I am trying to select unique values from it and assign it to another array. Here is the code:

Code:
var flag;
for (i=0;i<=pdfs.length-1;i++)
{
flag = 1;
for (j=0;j<=pdfs2.length-1;j++)

[Code]...

The problem is that the if (pdfs2[j] == pdfs[i]) statement ends up never being true. There are URL's to pdf files in the array. On the other side, if there is a much easier way to select unique values from an array, please feel free to point it out.

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May 7, 2011

I have a single form on a single page with some js that is supposed to take the first and last name entered and add them to the select list. There seems to be some kind of communication stop between the js and html, because nothing happening.

Here is the code:
<script language="javascript" type="text/javascript">
/* <[CDATA[ */
function Member (){
this.lastName = "";
this.firstName = "";
this.position = "";
this.phone = "";
this.email = ""; .....

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Aug 28, 2009

I have a form, and i am trying to add the values of 5 fields into one javascript variable. Then i need an ajax function to search a directory for a php file made from these variables and return a "file exists" or "file doesnt exist" message to the form.

For example, assume the following values have been inputted into the fields;
Field1 (Manufacturer) - Kawasaki
Field2 (Model_Name) - GPZ500
Field3 (Nickname) - None
Field4 (Market) - UK
Field5 (Year) - 2000

Then javascript needs to add the values of Field1 - Field5 (and add a few bits)to create (for example):

Kawasaki_GPZ500_None_UK_2000.php

Then i need ajax to search a web directory for the file above, and if it exists return a link, or if it doesnt exist tell the user it doesnt exist.

im hoping that i can use ajax to do this search without clicking any buttons etc. unfortunately i have very little knowlegde of javascript and ajax and dont have a clue how i can go about implementing this.

i know how to do it by posting the variables to the next page and doing the check using php - but i would like instant validation as soon as the form fields have been entered.

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Nov 5, 2009

I'm trying to add an input element to all forms using appendChild.

The script first searches for input elements with the name of "myinput".

If it finds an input element with that name, it assigns the value "myvalue".

If it can't find an input element with that name, it tries to create a new one for all forms.

Code:

What's wrong with my code?

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Jan 6, 2006

I am looking for a little help validating a forms input. On the form are key
items which I do not wish to be zero length.

I have wrote the following function:

<script language=javascript>
function ValidateLength(oid, min, max)
{
var txt = document.getElementById(oid);
var length = txt.value.length;
if(length == 0)
{
alert("You must enter your reference, Company Name and Contact Name");
}
}
</script>

However their are still a few issues I would like to work out.

I all it with my forms sumbit event with the following:

<input type="submit" name="Submit" onclick="ValidateLength('txtRef',0,100)"
value="Submit Details">

However that will only check the length of the item txtRef, how can I check
more textbox values? Also how can I stop the form posting if the alert is raised?

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Jun 5, 2010

I'm trying to fill out a form on this site using JavaScript: [URL]

However, the fields do not have input IDs; they only have span IDs. I've tried using the span IDs, but it doesnsn't work. Here is the code I'm trying to use:

document.getElementById('fn'). value='" FName "';

Where FName is the value I want filled into the field. Could someone please tell me how to use JavaScript to fill in the fields of this form (and check those pesky check boxes)?

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