Add 2 Numbers As The Form Input?

Aug 11, 2009

I am trying to add these 2 numbers as the form input. When I add 5 and 5 it returns 55 instead of 10.

Code:

var a = document.f.children.value;
var b = document.f.totalguest.value;
var c = a+b;

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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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Sep 26, 2011

I am working on a Phone Number Form. The link of script: [url]

Questions:

(1)I wanted to know if code this script so that instead of the phone number appearing as: (123)456-7890

So that it appears as: (123) 456-7890 with a blank space after the ")"

(2)If that's simple, is there a way to error-check it so that only numbers can be entered into the phone number input field?

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Jul 16, 2009

that a simple question, I hope. I have an input (<input type="text" />) on my page, and I want it to only accept numbers, so if the user types anything that's not a number, it will be removed instantly. A simplified example just to illustrate:

<body>
<input type="text" name="numbers" /> <!-- I want this input to accept
only numbers -->
</body>

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Apr 24, 2011

This is my program:

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Aug 7, 2009

I have searched the internet and couldn't find a problem regarding this issue. The thing I want to do is simply validate a text input so when you enter a number in it, it won't validate and give you an error message. This is the code:

[Code]...

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Jul 22, 2010

I'm creating a page that calculates a number depending on what value is inputted into a text field. I need to create some javascript that updates this new calculated value and outputs it next to the input field. Anytime the user changes the number, it recalculates the value. My calculation is currently being produced by PHP, however if I need to, I can create javascript as well to recalculate these numbers.

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Jul 15, 2010

I'm trying to create a 4 x 4 array filled with numbers input by the user. I then need to rotate the grid clockwise like I've shown below.

01 02 03 04
05 06 07 08
09 10 11 12
13 14 15 16

13 09 05 01
14 10 06 02
15 11 07 03
16 12 08 04

I made all numbers double digit just for show in the example so the table is easier to read. So far the code I have is just trying to create the array and fill with numbers from the user. This asks for a number once then doesn't display anything at all.

<html>
<head>
<title>Rotate Array Matrix</title>
</head>
<body>

[Code].....

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Aug 31, 2003

Another quick question. I have the script to add each field up I need, but if the ending 0 after a decimal is present it doesnt show. How do I keep the leading zero and how do I keep just 2 digits after the decimal?

For example:

1 + 1.50 = 2.50

But javascript displays it as 2.5

Now sometimes when I do math I get:

2.3454545

In this case I just want 2.34. So if there is a ending zero I want to keep it, and if there is more than 2 numbers after the decimal I want to cut the rest off and leave the 2 there.

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Dec 2, 2011

I have an HTML form, that's part of a child window,and has two random numbers in it. How can i have it so when user inputs the sum in an empty box in the form, and clicks 'submit' the result is displayed in the main window? Also, it needs to check if answer is correct or wrong and show that in the main window at the same time.

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Aug 25, 2011

I have the following code that I wrote myself (except for the function isNumberKey). However, I don't know how to actually add the numbers together. My plan is to store the value entered in the forms as a variable, then manipulate the variables to get my final number. The final number would be stored in variable named Total and would be displayed after Total: at the bottom of my page.

<HTML>

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This is an assignment I have for a course I am taking. The objective is to validate the zipcode of a form to ensure that it only contains numbers. I cannot get this to work. The teacher wants us to use the for loop to do this, otherwise I would use a different function.
Code:
<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8">
<head> .....

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Jun 1, 2011

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Mar 19, 2010

I am using this code to validate a form to check that only numbers have been entered but when I enter alphabets the javascript raises an error but still submits the form.

<script type='text/javascript'>
function isNumeric(elem, helperMsg){
var numericExpression = /^[0-9]+$/;
if(elem.value.match(numericExpression)){
return true;
}else{
alert(helperMsg);
elem.focus();
return false;
}}
</script>
<form>
Numbers Only: <input type='text' id='numbers' action= "desktop.html"/>
<input type='button'
onclick="isNumeric(document.getElementById('numbers'), 'Numbers Only Please')"
value='Check Field' />
</form>

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May 26, 2009

I am trying to create an html form for adding 2 numbers and also trying to validate using java script. what I want is instead of getting an alert msg as a result

I want the result to be displayed in the sum:text box --- not as an alert I want to validate the input fields ,if null -- throw an alert msg


<!DOCTYPE html PUBLIC "-W3CDTD HTML 4.01 TransitionalEN" "http:www.w3.org/TR/html4/loose.dtd">
<html>
<head>

[Code].....

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Aug 18, 2011

i using for my contact form

[URL]

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Apr 7, 2009

I need to modify the script showed at: [URL]

Right now it allows entering "numbers only", I need it so that it allows numbers and alphabets only, no special characters or spaces.

And yes, one more question, does the first part of the code need to be added in the <head> of the document or <body> ?

The code at the above URL is as follows:

<script type="text/javascript">
// initialise variable to save cc input string
var cc_number_saved = "";
</script>

[Code].....

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The problem is that after adding a new input field - the content in the other fields is deleted.

Code:

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How would I put this together so,

<input name="input1" type="text">

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I would like to be able to type something in input1, and see it type
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[Code]....

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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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