Calculating 2+ Form Field Inputs On The Fly
Mar 6, 2007
I'm working on a financial form that is filled out and then a pdf is outputted (via php).
I'm an xhtml/css and php guy but new to javascript - I'm sure there's got to be a way to do the following with js...
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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Nov 2, 2009
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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Jun 20, 2005
I have several fields being updated for a parking structure... The client inputs the number of cars and can immediately see the percentage before updating the database....
The field names always change so I need the JavaScript to be able to pick up the unique field names calculate and place into the total field box...
I found this code online, but I need to do this dynamically for hundreds of lots...
So basically I have a field name and an ID number identifying the 3 related fields...
Here's an example that works for one lot:
<HEAD>
<script type="text/javascript">
<!-- Begin
function startCalc(){
interval = setInterval("calc()",1);
[Code]....
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Jul 19, 2011
Using jQuery Validate to do it's job of validating a form. Problem is I need to get at least one phone number recorded in the form - either a Telephone or Mobile (Cell).Is there any inbuilt way of setting up the rules to do this?I have seen the Milk demo for the validate plugin where there's something similar, but the 'name' attribute is the same, something that's not going to be the same for two different text inputs.
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Aug 10, 2009
I am using a javascript to validate that all form fields are filled in here:[URL].. The form input fields in the top div can be validated no problem. However, when I add to the javascript, this section of code:
Code:
if (document.forms['secondform'].firstname.value=="") {
themessage = themessage + " - First Name
";
}
And so on for the next few input boxes, the javascript stops working entirely, passing the user onto the next page without actually validating the fields. I feel it is because I am not calling the input boxes correctly in the javascript, but I am unsure how to do it.
I was thinking that maybe because they are in a different division if I added that in there somewhere I could get it clear up, but no such luck yet.
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Mar 22, 2007
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
I'm stuck on how to calculate the payment fee of 1.61% on top of the membership price. Also, how do I round the figures to 2 decimal places?Here's the Javascript so far:
<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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Feb 23, 2011
I have a form as below:
PHP Code:
<script type="text/javascript">
function addRow(tableID)
{[code]........
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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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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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Mar 3, 2006
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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Jun 29, 2011
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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Jul 23, 2005
I have a web form with several fields. If I copy & paste from a RTF document into a field, the javascript validation and field length are bypassed and cause the form to fail.
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Apr 11, 2010
I have done lots of looking on the web, but am still unable to figure out why I can not make this simple assignment work.I just need some help with getting something to happen when the user hits submit. What I really want is for a new page to appear with the message using the user inputs, but I would be very happy with just getting the input to appear in the text area that I put in or even for the alert box to pop up with the input. I can work on validation code after I can get some kind of output to work.....
Here is the code I have written:
<html>
<head>
<title>Name and Age</title>
[code]....
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Feb 8, 2010
I am trying to put together a form that adds up the input that is put into seperate text input fields in the form.
Here is a little of the code that I am trying.
Code:
<script language="JavaScript">
/* <![CDATA[ */
function sum(objRef) {
[code]...
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Jul 24, 2010
I'm trying to create a four-box form in which the user enters information into the first two boxes,and the program fills the second two boxes in.Basically,I need a form to calculate the square footage and cost of a vinyl banner.In the first text box the user would enter the banner's height.In the second box the user would enter the banner's width.
The third box would multiply the height by the width and display the total square footage of the banner.So far, I have this part down. The following is what I need help with: the fourth box.The fourth box needs to display the cost of the banner. I have a complicated pricing structure. For example:
If the total square feet for the banner is under 12 square feet, the cost is $60.00. If the square feet for the banner is between 13 and 25 square feet. The cost is $4.80/square foot and ect...I believe this would be done using some variation of an IF statement but I can't get it to work.Using this example, what would I add to the form to get this work? The following is the form I have so far which just consists of the calculation of the square feet which is all I've been able to get working.
Code:
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>[code].....
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Oct 25, 2010
I need to style a checkbox, so I made it into two images behind a form with hidden inputs. On click the form takes input from the other form into the hidden fields and POSTs it. Then I use PHP to grab that POST and put it back into the original form.Here are some snippets of what I am trying to do:
First form input:
<input type="text" name="email" id="email1" value="<?php if(isset($_POST['email2'])) { echo $_POST['email2']; } ?>" style="height:25px;width:270px;" />
Second form input:
<input type="hidden" name="email2" id="email2" />
Second form submit image button:
<input type="image" src="img/Boxchecked.jpg" value="submit" onclick="fname2.value = fname1.value; lname2.value = lname1.value; email2.value = email1.value" width="20" height="20" />
The forms work fantastic on everything but IE, which does not save the field values. How do I fix the onclick event to save them in IE?
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Oct 5, 2009
Im trying to dynamically add more fields into my form.[code]And don't reply that i should make the names into arrays for me to submit more stuff, I'll change that later. But for simplicity and a straightforward problem. I can't get it add more form elements in the correct place or nothing happens at all.
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Jul 20, 2005
I have a form with a few text boxes which need to be validated client-side.
The validation is: check that every single text box has a unique string value.
I.e., I need to check that there are no two textboxes that both contain,
for example, the string 'hello'.
Is there an efficient way to do this kind of validation in javascript?
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Oct 19, 2009
I have a set of radio inputs on a form. These are bound to some values in a database. They are to indicate preferences of the user. So i may have 10 items in the list and i want the user to tell me the one they prefer. So when the list loads the first time all of the radios are not selected. They select one then hit save. I persist this value to the database and the next time they come back i want to fill that radio button in.
I'm having an issue doing this. It seems to me like: you can load a list of radios that are all unselected. you can select a single one of these you cannot select one and then unselect it so that none are selected
My problem is that i load the list then i loop over each of the elements and use the id to look for a saved preference value. If i find one then i want it selected in the radio. If not then don't select it. What I'm getting is the last item in the list always being selected in the radio
<td>
<input id="contactPrimary_Address_<#= _contact.Addresses[a].AddressGuid #>" type="radio" class="contactPrimaryPref" name="addressPrimary" checked="false">
</td>
$(".contactPrimaryPref").each(function(n) {
[Code].....
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May 11, 2010
I have structure like below (inputs are not direct childs for form1)[code]...
how to select all inputs that are "below" form1 (direct or no direct childs) ?
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May 1, 2011
If I have inputs like this:
Code:
<form name = 'myform'>
<input type='text' name='Monday_1'>
<input type='text' name='Monday_2'>
[code]...
But can I somehow do this instead?:
Code:
<form name = 'myform'>
<input type='text' name='Monday[1]'>
<input type='text' name='Monday[2]'>
[code]...
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Aug 24, 2010
How do I add form inputs dynamically? I found form wizard plugin, but it could only add one element.
$("#finland").after('<span class="step" id="added_step">New step added in the update steps callback</span>') I needed it to add the same elements as much as possible, how do I do that with the code below?
[Code]...
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Oct 23, 2009
I cant get this each function to work inside a form: For example I have this code:
$('#formid>input').each(function(){
if($(this).attr('id')!='') alert($(this).attr('value'); //fetch id if
not blank ang show value
});
The code inside this function does not run if the form is rendered this way:
<form><div id='tabs" >
<ul>...</ul><div id='tab1">
<input type='text' id='fname' /></div>
</div></form>
But if it is rendered in a simplier way like this, it works:
<form><input type='text' id='fname' /></form>
I am using jquery jquery-ui-1.7.2.custom.main.js library by the way for the tabs but I don't think that messes up the whole thing though...
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