Adding Up Totals From Two Fields?

May 10, 2011

I have a script that calculates the $ amount when someone enters a number. For example, if you enter 2, it's $200 if you enter 3 the total is $300.I then have code that adds a $ amount based on a check box. So if check box is clicked it's supposed to add $10. All of this works, however, my last piece of code which combines the two totals isn't working right.1st of all, it doesn't display the total right away w/o checking the check box. That is, people should be able to just enter a 2 and go on with their business. Instead my code makes them check/then uncheck the box to see the total. I've posted the code below in chunksHere I calculate the TOTAL based on how many they selectCode:

function CalculateTotal(frm) {
var order_total = 0
// Run through all the form fields

[code]...

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Adding Tax To Sub-totals Onchange?

Oct 27, 2010

My JavaScript knowledge is still at the beginner level. Struggling to get the final calculations for taxes in this form.

The form currently updates the Sub-total automatically when form selections are made. I also need the form to calculate the tax and total. The tax rate depends on the kind of shipping selected. For the first 2 options the rate is 13% for the 3rd it's 5%.

What do I need to do to get the final 2 calculations to work?

Here's the JavaScript from (mredkj.com):

Code:

function OrderForm(prefix, precision, firstChoice) {
this.prefix = prefix ? prefix : '';
// ****************************
// Configure here
// ****************************

[Code]....

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Jul 7, 2011

I have a table that has a textfield for inputing numeric values. This field is in a repeated row table. The field id is 'amount'. I want to add all values in the text fields with ID 'amount' and display the sum in a textfield called 'totals' which is in a seperate table but in the same form. I have limited experience with jquery and I actually managed to create and delete a table row from reading posts on stack overflow. I tried using each() but it only works with the first row which is the default row.

$("#addrow").click(function(){
alert("It works.");
//$('#description tr:last').after('<tr>...</tr>');
$('#description tr:last').after('<tr><td align="center"><label for="description"></label><input name="description"type="text"style="background-color:#CCC;"

[Code].....

However as stated, It only works with the first default row that was loaded with the html. Values I input after adding a row using jquery doesn't get summed up.

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Jul 28, 2005

I have a page setup where it lists an item. I have three input boxes. One for actual cost, one for actual shipping and one for actual total.

The first two are pre-populated with what it should be. Now the first two are editable. Basically I want the third box to keep a running total of the first two from the when the page generates up to someone changing one of the numbers.

How would I go about doing that. I have it setup now where ONKEYUP its adds box one and two into box three, but I am running into the problem were if its an odd number then the third box ends up with 68.039999999 instead of 68.04.

=
parseFloat(times.actual_cost.value) + parseFloat(times.actual_ship.value)"

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Sep 22, 2010

I'm attempting to sum/add up values within 4 different form fields on the fly, but keep getting a result of NaN....not sure what I'm doing wrong....here's my code:

function calculate(totalElement) {
for (var i=1,app_pend_end=0;i<5;i++)
app_pend_end += what.elements['textField' + i].value - 0;

[code]....

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Dec 27, 2004

I have a script that I am trying to get working in IE. It works great in Firefox, but will only work one time in IE.

The idea is that the user is presented with a field. As soon as the user types in the field the script adds a new field under it. To keep from adding more than one field there is a variable called probURLnumKeep that gets incremented only if the field being typed in is the last field created. Code:

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Apr 10, 2007

I'm working on what is currently a simple form, which will include a list of the users friends. However, seeing as everyone's going to have a different number of friends to submit, I'd really like to just have 1 "Friend" field and a button to "Add another friend" next to it.

The idea is that when someone clicks on the "Add Friend" button, another text field will appear (with another Add button), allowing the user to input more contact details.

I think I'm right in saying that I'd need JavaScript to do this, but other than that I really don't have any idea.

Would somebody be able to let me or know? Or post up a link to a relvant tutorial?

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Aug 10, 2010

i'm trying to make a form in which a user can add additional fields by pressing on a button. At the moment, my code looks like this:

Code:
<FORM id = "myform" name = "myform" method = "post" action = "somefile.php">
<table border = "1" name = "datatable" id = "datatable">
some html
<tr>
<td colspan = "7"><A HREF = "javascript:addElement(datatable);" name = "add" id = "add"> Add another searchfield</A></td></tr>

[Code]...

However already this doesn't work, and refuses to delete anything. The function does load successfully when the link is clicked ( I tested this by adding an alert).

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How can I add more <input type="file" /> -fields by the click of a
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Apr 20, 2009

I am new to the AJAX world and would like to do something simple, but have not found any examples of it. Maybe I am searching the wrong things.I have a simple form.

<form action=process.php method=post>
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<input type=hidden name=num_of_fields value=1>

[code]....

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Feb 14, 2011

I am inexperienced in JavaScript. I have an html page with several numeric input fields which are an array. At the bottom of the screen is a running total of the numbers entered.

The html is like:
<INPUT TYPE=TEXT NAME='array[0]' onchange='addup()'>
<INPUT TYPE=TEXT NAME='array[1]' onchange='addup()'>

[code]....

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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" >
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<table width="200" border="0">

[code]....

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Feb 23, 2011

we use sage crm which has a back end sql database and a web front end which is a combination of html and java script.on a particular screen we have 24 numeric fields, these have names / IDs which are flq_glh1flq_glh2flq_glh3.... and so oni would like to total these 24 fields and display the result in another numeric field called total_glh

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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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Feb 15, 2010

I want to do is add the values of seven text fields on a form and pop that value to an eighth field. I thought the code below would work, but I get "NaN" on the sum field.

Code:
function addHazWaste() {
document.getElementById('HazardousWaste').value = 0;
var HazWasteTotal = 0;
var HazWaste1 = 0;
var HazWaste2 = 0;
var HazWaste3 = 0;
var HazWaste4 = 0;
var HazWaste5 = 0;
var HazWaste6 = 0;
var HazWaste7 = 0;
HazWaste1 = parseInt(document.getElementById('HazardousWasteSentToLandfill').value,10);
HazWaste2 = parseInt(document.getElementById('HazardousWasteSentToWasteToEnergy').value,10);
HazWaste3 = parseInt(document.getElementById('HazardousWasteIncinerated').value,10);
HazWaste4 = parseInt(document.getElementById('HazardousWasteRecycled').value,10);
HazWaste5 = parseInt(document.getElementById('HazardousWasteReused').value,10);
HazWaste6 = parseInt(document.getElementById('BiohazardousWasteSentToLandfill').value,10);
HazWaste7 = parseInt(document.getElementById('BiohazardousWasteIncinerated').value,10);
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document.getElementById('HazardousWaste').value = HazWasteTotal;
}

If I run a separate function that just sets all form field values to zero (including the first line of this function). The summing works!!! Why won't it work the way I wrote it??? It won't work if I set the default value for the sum field to zero, either...

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Jul 23, 2010

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I've also found info on how to add rules to a class (there are multiple fields and name generated dynamically so I have to use class).

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So I've added both these lines to additional-methods.js, but it does not validate it on submit. I do have php back-end logic that sets values to the nearest round number but I do want Js navigation before submission.

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First part I'm banging my head against the wall on is about the amounts
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I'm trying to get my script below working. I've managed to get it to add fields dynamically but the remove function isn't right... and I can't think of a way round it. how can i incorporate a way for a limit on the number of fields that can be added?

<script type="text/javascript">
function addInput()
{
var x = document.getElementById("inputs");
x.innerHTML += "<input type="text" />";
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{
[Code].....

ah, i've just looked into the operators in more details and -= is just for numbers... so this won't work. i presume this is going to be the wrong method then.

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Here an example: A machine costs �4000 and a term of 2 years(60 months). The calculation would be (4000/60)*3 = �200

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

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

$("select").change(function()
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[Code]....

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[Code].....

This (apparently) totals all 'amount' cells in the page, and writes it in *all* the 'total' cells - close, but obviously I'm not correctly specifying that each total should be displayed in its parent.

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HTML:
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What i'm trying to do is:

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2. Then taking the sub totals added them to the total products

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Link: [url]

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