Validating Quantity
Jul 23, 2005
I have a function like this
function checkquantitiy(quantitiy){
if(quantitiy.value != parseInt(quantitiy.value)) {
alert(quantitiy.value+" sorry not integer quantitiy");
}
} //End of function
This check if quantitiy is integer. In the form I have following
<input name="buyquantitiy" type="hidden" id="buyquantitiy" value="<?php echo
$buyquantitiy; ?>" size="1" maxlength="3">
<input name="quantitiy" type="text" id="quantitiy" value="1" size="1"
maxlength="3" onchange="javascript:return checkquantitiy(this);">
The problem is when i will calculate if quantitiy/buyquantitiy is an
integer. The reason is that some products can only be seld as 4 items, and
if you press 3 wou should get a message that says
"Sorry a quantity of 3 are not aviable because there are 4 items in
package". Can transfer 2 varibales into the function? Or have anyone any
suggestion how to solve this.
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Mar 19, 2011
I am trying to add a spin control to my quantity field before i add the ordered quantity to a shop cart array. The way its set up at the moment if you click the deincrement arrow it actually goes into negative numbers. (no good coz people cant order a negative number eh#$@#$@) This the
<head> Code
<!---sPIN BUTTONS TO UP QUANTITY--->
<script type="text/javascript">
function changeVal(n) {
document.forms[0].quantity.value =parseInt(document.forms[0].quantity.value) + n;
}
</script>
[Code]
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Aug 31, 2010
Why my email field is validating, but mycode for validating empty fields is not?
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Mar 21, 2010
I am using a validating form plug in for jquery and I have a question about it. Let this function will be an ex.:
[Code]....
'e' is the name attribute of one form element, but can I choose more elements using jquery (CSS) rules like this: input[name*=e] or how can I do something similar?
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Mar 16, 2010
I have a website using jQuery that for the most part works fine, but it contains a very large form with a lot of fields. I have an option to save the settings from the form and to load and retrieve them from the server. The problem I'm running into is that the loading settings involves changing so much in the DOM (the form is huge and contains a lot of fields) that it seems to be freezing up on some browsers or timing out. I can't reproduce this on my computer (although it does take awhile to finish processing) but I've gotten enough reports of the problem that I'm looking for some advice as to how I can speed it up some.
The site is [URL] I've tried to speed it up by caching a good chunk of the selectors I'm interacting with and I'm using IDs to access the fields in most circumstances. But I'm not sure what else I can do to really optimize the loading. how I can go about improving on the load speed?
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Nov 18, 2009
I have an online shopping cart and some of the products are sold in boxes of 6. So I am trying to write some code that will alert the customer if they have entered a quantity that isn't some multiple of six.
I've tried using the modulus operator as well as dividing by 6 and then checking to see if the result is a whole number but inevitably the alert box pops up no matter what I enter.
This is what I'm trying to use now:
Is there a better way to check if the entered quantity is a multiple of 6?
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Sep 27, 2011
I've been given this ridiculous assignment where I have to create a shopping web page.finding the javascript codes that will allow the user to update their total as they enter the quantities of the different products in the assigned text boxes.I don't even know where to start because we were never taught how to do this in class!
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Aug 17, 2010
I am looking for JavaScript code to validate the orders that comes with multiple quantities. Example let's say I place an order "JavaScript is so cool" book ISBN 99878347834309 and quantity purchased is 3 and another book "JavaScript is Great" ISBN 7978394908034 and purchased 2 quantity.
In my warehouse application on initial load of the page I want to display all the items purchased for that orderID(1234) 1 line at a time and in red color and as soon item is scanned I want to turn the item to green color.[code]...
This is how the management wants to display and as soon as item is scanned then the title will turn to green. When there are no more items then it should request for new order. Some validations that needed on this order are 1. Avoid duplicates (ie someone trying to ship more than the required quantity) then some pop up some valid message 2. If the ISBN doesn't belong to this order then pop up some valid message.
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Dec 23, 2010
I have a shopping cart with a quantity field. I also have an update button that updates the totals. Myquestion is how can I use jQuery to check the quantity field when it loses focus, to check the value against the database and the Instock field. If gt then display a tooltip (or something) and not allow the form to be submitted. The problem is the field is called sel_qty for each product.
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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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Mar 4, 2009
What I want to do it multiple the quantity ordered by the kind of shipping selected in my <select> list.
I'm pretty sure that what I've got to do is establishe a quantity ordered variable like this var qty = form["Q" + i].value And then multiply that qty variable by the ShippingCost. But no mater where I stick this var statement it always either stops the script cold or comes up as a black or undefined value.
<script type="text/javascript">
/* <![CDATA[ */
var ListCount = 5[code].....
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Nov 3, 2011
I have a drag-drop shopping system, which adds the entrys to a table, as you drag them to the "cart-part". But i seriously can't figure out, how to add a small "Delete one quantity" button, with each row?
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="keywords" content="jquery,ui,easy,easyui,web">
<meta name="description" content="easyui help you build your web page easily!">
[Code]....
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Aug 6, 2010
how to add up a series of text boxes which contain numbers that a user will input and have the total of those text boxes show up in a quantity text box on the next page.
Not sure if i should use javascript or php, but i don't know how to do it either
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Nov 9, 2011
I am a php programmer and not a Javascript programmer and I am trying to help a friend out with his shopping cart. The original programmer (who wrote this years ago and is no longer around) has a button that looks up the quantities in the database for the submitted items, and then displays a prompt if you selected a quantity that is less than the minimum purchase amount.The issue is if the user enters a smaller amount than allowed and hits the enter key instead of the "Buy" button, it allows the order.how to use the current code to also check for an Enter key submission.I can handle the PHP and the db lookup for minimum quantities. Here is the page code and the Javascript code.
Code:
<a href="javascript:checkQuantity(document.form<?php echo $formCount; ?>,
<?php echo $row_rsProduct['lotQty']; ?>,
[code]....
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May 14, 2011
I am using simplecart js and I am trying to get shipping to work.
<script type="text/javascript">
simpleCart.email = "payment@domain.co.uk";
simpleCart.checkoutTo = PayPal;[code]....
Now the problem with this is whenever I add any item to the cart it adds �1 to the shipping, but I want to specify different shipping for different items. Is there anyway I can do this?
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Jul 23, 2005
I am a newbie to javascript.
I have an asp text box which I want to validate for the number of
characters entered i.e. I dont want user to enter more than 280
characters in the text box.
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Jan 12, 2006
I have a form generated from a Perl script. The number of check boxes
on the form is unknown until the time the form is generated. The
names of the check boxes are created from some values in the database,
based upon other user input.......<crazy, I know>
The user must choose at least one check box.
So, how can I write a javascript routine that will perform checking on
an unknown number of check boxes.
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Jul 20, 2005
Can anyone explain why this code fails when the set of checkboxes
consists of only one.
myForm.update.length returns 0 instead of 1 with the result that
I get an alert box even tho' the one checkbox is checked.
function checkForm(myForm) {
var numBoxes = 1*myForm.update.length || 0;
for(i=0;i<numBoxes;i++) {
if(myForm.update[i].checked == true)
return true;
}
alert("Select one or more part components to update");
return false;
}}
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Jul 20, 2005
I have a requirement whereby I must validate that a string matches one of
several patterns:
1. An ISO standard 2 character country code (eg GB, NL) followed by five
digits.
2. An ISO standard 2 character country code (eg GB, NL) followed by an X
followed by five digits.
3. 3 characters in the range a-z followed by 3 digits followed by 2
characters in a specific set (eg MT, AT, DA).
4. 4 characters followed by a hash (#) followed by 3 characters followed by
3 digits followed by a hash followed by 3 characters.
5. 4 characters followed by a hash (#) followed by 3 characters followed by
3 digits followed by a hash followed by 4 characters.
I have been told that a better way to achieve this than using .charAt is by
using something called a regular expression, but I don't really understand
them. Can anyone please advise on the above or alternatively point me in
the direction of a suitable resource on these regular expression things?
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Aug 31, 2009
I am trying to write a js that validates a form with two text inputs. The two inputs are: 'D_techA' and 'D_techB'. I just want to add up (sum) the two input fields (which must be positive numbers) and make sure that they add up to exactly 100 (not more and not less). If they do not add up to 100, then an alert should pop up that says "The two values must add up to exactly 100." I have tried and tried to write a js that does this validation (looking at numerous validation scripts posted in this forum and elsewhere) and I just cannot seem to make it work.
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
</head>
<body>
[Code]...
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Feb 17, 2010
I am validating a page (image attached) to make sure that total hours entered do not exceed the allocated amount, which is stored in the database. I have already validated to make sure that they enter a number and that it is not greater than 8.
var returncode = true
var inputs = document.getElementsByTagName("INPUT")
for(var x=0; x<inputs.length; x++)
{
[Code].....
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Dec 3, 2006
How can I combine these 2 functions?
function POvalidator()
{
var obj = document.Form1;
if (obj.PONumber.value == "") {
alert("Please enter a value for the PO Number field.");
obj.PONumber.focus();
return false;
}}
function checkCheckBox(){
if (f.agree.checked == false )
{
alert("Tou must agree to the Terms to continue");
return false;
}else
return true;
}
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May 3, 2006
I found some simple code to get a better understanding of validating checkboxes. It validates the checkboxs by their name. Is it possible to validate the checkboxes with the same name but different values? The name of the checkboxes will be an array containing the values of the checkboxes selected.
I have my html like so:
<input type="checkbox" name="stuff[]" value="1" onClick="countChoices(this)">
<input type="checkbox" name="stuff[]" value="2" onClick="countChoices(this)">
<input type="checkbox" name="stuff[]" value="3" onClick="countChoices(this)">
And the javascript where I edited "box1=", "box2=", "box3=" is like so:
function countChoices(obj) {
max = 2;
box1 = obj.form.1.checked;
box2 = obj.form.2.checked;
box3 = obj.form.3.checked;
count = (box1 ? 1 : 0) + (box2 ? 1 : 0) + (box3 ? 1 : 0);
if (count > max) {
alert("You can only choose up to " + max + " choices!
Uncheck an option if you want to pick another.");
obj.checked = false;
}}
How do I correctly create box1, box2, box3, in this case?
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Jan 30, 2011
I have a form that is passed to itself. I was just wondering if there was a way to get this to validate before it passed to itself.I was assuming that as the form doesn't properly submit, I could not use onsubmit="return sValidation()", so I have it on the buttons onclick. Correct assumption or not? Is there a way round this at all and to get it to validate?
<form action="" method="post" name="searchform" >
<table width="200" border="0" cellpadding="2" cellspacing="0" class="adforms">
<tr>
[code]....
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Jul 26, 2009
I want to check that only letters were entered in a field.formElements[i].value.search(/^[^a-zA-Z]+$/) != -1Will the above line be true if characters other than letters are found?
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Jul 21, 2005
I am trying to validate height but I seem to be having a problem with quotes
I tried:
HTML Code:
if (height == "6Ɗ"") {
blah blah
and
HTML Code:
if (height == "6Ɗ"") {
blah blah
I get no joy
Which is the corect method for me to use...
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