Calculating / Multiplying Form Fields (on Exit)?

Jul 16, 2009

This is probably very basic, but I don't think I'm searching the right terms to find what I need, I'm looking for an example code of how to do this.I have 3 columns (form fields below)

PRICE | ITEMS | Total

I want a user to be able to enter in a price and the amount of items so that when they leave one of those two fields, it will autocalculate and populate the "total" field. I also want the option for them to be able to fill out the total field alone, without having to enter "price" or "items". So basically 'total' has to be filled out either way, because I will then be doing calculations with that data.

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Calculating The Total Rent From Form Fields?

Dec 7, 2010

I have everything working up to this point but when I try and put the math equation into my script section, I get multiple error and cannot figure out how to get the function to return the actual total rental cost.Below is the code with the math function at the end of the script section in the heading which I seem to be receiving error on.

<!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">[code].........

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Jul 20, 2010

I would like to create a form that calculates the area of a floor or wall. The user will input the length/height and width dimensions into two input fields and then click calculate.I simply need a script that multiplies the two fields together and puts the answer in a third read-only field.

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Oct 2, 2002

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what i would like is to include a javascript that forces a new browser window wtih the new url & leaves the original site as-is if a url is sent to the browser.

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Nov 30, 2010

They are not very expert in javascript. I created a script that needs to calculate the sum of text fields. My function is limited to 5 elements, you can simplify and make it work for n elements.

PHP Code:
<script>
function somma() {
var a=eval(document.getElementById("primo").value);
var b=eval(document.getElementById("secondo0").value);
var somma0=(a) - ((a) * (b)) / 100;
var somma0=Math.round(somma0 * 100) / 100;
document.getElementById("somma0").value=somma0;
var b1=eval(document.getElementById("secondo1").value);
var somma1=(a) - ((a) * (b1)) / 100;
var somma1=Math.round(somma1 * 100) / 100;
document.getElementById("somma1").value=somma1;
var b2=eval(document.getElementById("secondo2").value);
var somma2=(a) - ((a) * (b2)) / 100;
var somma2=Math.round(somma2 * 100) / 100;
document.getElementById("somma2").value=somma2;
var b3=eval(document.getElementById("secondo3").value);
var somma3=(a) - ((a) * (b3)) / 100;
var somma3=Math.round(somma3 * 100) / 100;
document.getElementById("somma3").value=somma3;
var b4=eval(document.getElementById("secondo4").value);
var somma4=(a) - ((a) * (b4)) / 100;
var somma4=Math.round(somma4 * 100) / 100;
document.getElementById("somma4").value=somma4;
}
</script>
<input type="text" id="primo" onKeyUp="somma()" /><br /><br />
<?php for($i=0;$i<=4;$i++) { ?>
<input type="text" id="secondo<?php echo $i; ?>" name="secondo" onKeyUp="somma()" value="6" />
<input type="text" id="somma<?php echo $i; ?>" /><br />
<?php } ?>

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Calculating Input Fields - Get The Math Function To Calculate And Display Properly

Nov 5, 2009

I can't seem to get the math function to calculate and display properly. Can anyone point me in the right direction.

Here is my code.

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Sep 24, 2010

My issue is I would like to have this code validate my radio buttons on my form and also have an onscreen pop-up in the case that the user is exiting the page without filling out the form.I have had both of these peices of code working...but when I put both of them on the page the pop-up will override the validation script, and I don't wish to have the pop-up, pop-up when the user hits the submit button. Here are my pieces of code:Inside my head tag:

<script language="JavaScript">
function closeIt()
{

[code]....

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Aug 12, 2010

We implemented an exit popup on our page. When a user tries to leave our purchase page, an exit popup comes up saying that if they click cancel they will get a 50 dollar discount and are automatically redirected to that discounted checkout form.

The problem is, when a user clicks our "submit" button, when they are trying to purchase at full price, the exit popup shows up too, and redirects them, so essentially we can't get the full amount out of our customers! We want the script on the page, but we don't want it to show up when users click our submit button.

heres the exit popup script

Code:
<script language="JavaScript" type="text/javascript">
window.onbeforeunload = confirmExit;
function yPop(url) {
var found = 1;

[Code].....

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Stop An Exit Console From Opening After A Click On A Form Button

Apr 15, 2001

Any of you know how can I stop an exit console when the visitors lefts my site trough a form button?

The below code is the function that opens the console or popup.
**********************************
<script language="JavaScript">
function exit(){ window.open('XXXXXXX');}
</script>
**********************************

Then on the body tag
************************
<body onUnload="exit()">
************************

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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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I've been googleing for a auto calculating form and found nothing, I just want something .. some form, that can add values from different fields ... and make a sum .. in real time ... meaning that ... if I put X value in field #1 and Y value in field #2, at the bottom or somewhere I should have the X+Y value :P..

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Mar 23, 2010

I am writing a form and doing a bunch of calculations one of which is a percentage based on the value selected. I am returning a correct result for two of the values but for the other two I am not.The 'discount' value is what I am looking for. It should return as 0 for values of 1 but it is doing the math as though it is multiplying by 1. And again for the value of 6 it should be 10% but is taking the value as 4.6 or something.Code is below I've included all of it (sorry) for better ease of understanding the math that is happening:

HTML Code:

<form id="form1" action="" method="get">
<fieldset>
<p>[code]......

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Apr 4, 2011

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<script type="text/javascript">
var member_prices = new Array();
member_prices["no"]=235.00;[code].....

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May 10, 2011

I am using the same java script to help add shipping costs for paypal in my html.I have worked very long and hard to get to this point.I have saved and named each java script for it's form.However, when there are more then one on the html page it always calculates the last form giving me the wrong price per quantity on the first.I have not found a way to differentiate or id and separate.

<script src="nineEnvelope.js" type="text/javascript">
</script>
<form target="paypal" style="position:absolute; left:500px;top:200px; width:400px; [code].....

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I have a form as below:

PHP Code:

<script type="text/javascript">
function addRow(tableID) 
{[code]........

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Mar 6, 2007

I'm working on a financial form that is filled out and then a pdf is outputted (via php).

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I've got a section for "project costs" with 4 fields (numeric is expected). I'd like to add a 5th field "Total Project Cost" that adds all the inputs of the first 4 fields on the fly as they are typed (or at least, after focus changes).

Also I'd like to have a field which defaults to "10" and a drop down with 3 items that will either add 0, 5 or 10 to the field which defaults to 10.

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What it does is adds up quantities and gives you a total. Works fine with whole numbers but when you need to have cents - decimal point plus two, the email received does not show the quantities. Code:

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I am trying to have a form calculate total using this script, works OK until the total reaches 99 from there on it only returns 2 figures. Also it won't work if I complete the dollar value (i.e add .00)

<script type="text/javascript">
function startCalc(){
interval = setInterval("calc()",1);[code]....

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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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I need the value of my drop down box options to contain size information rather than price. However I would like to be able to calculate a price for the items based on what size the user selects as well as the quantity. Below is the code I came up with (which doesn't work obviously)What can I do to get this to work for me?

<head>
<script type="text/javascript">
<!--

[code]....

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Jul 24, 2010

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Code:
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>[code].....

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I would like to calculate factorial numbers that produce results of
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Can I define a variable and somehow have control on each of its digits
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Can I multiply two relatively small numbers and determine that there
was a carry?

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Jan 30, 2009

I am having trouble making a website for a vacation rental I pieced this javascript code and form together with a simple goal in mind: -to have 3 checkboxes each with its unique variable

weeks: 2,000
weekends: 325
weekdays: 275

-to allow users to check one or more of the checkboxes, and multiply it by a quantity they choose (ie "I'd like to stay for two weeks (2 x 2,000=6,000) and one weekday (1 x 275=275)

-finally, to add up the totals at the end (6,000 + 275=6,275)

[Code]...

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