Calculations With Inside A Html Form?
Mar 24, 2011
I'm looking for some help with something I have been developing over the last day or so. Basically, I have a form with some input boxes in it, and I am trying to use some javascript to do a calculation with these input boxes. The problem is that when I go to click on the "calculate" button nothing happens. The fields where the value should go to I have made visible instead of hidden to make sure that something is going there but nothing is appearing.
I've checked various parts of my syntax with online checkers and other javascript examples and I'm stuck as to what has gone wrong. If anyone can shed some light on the problem and possible solutions that would be awesome.
[Code]...
Edit: I have edited the code to remove/change the things that "Philip M" kindly pointed out were not needed and a bit of re-designing the page. I still can't get the javascript to put the answer value in the correct place on the click of the button. I'm under the impression it has something to do with the button rather than the javascript code but I might be wrong.
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Apr 12, 2005
I am making an order form that will serve as a very basic solution for a small company
I need to calculate the total either with on_change or with a button
currently I am using this code
<input type="button" name="add" value="calculate total"
onClick="document.orderm.gtotal.value =
parseInt(document.orderm.addshipping.value) +
parseInt(document.orderm.line1price.value) +
parseInt(document.orderm.line2price.value) +
parseInt(document.orderm.line3price.value)">
but if line3price is left empty I get NAN as total
how can I bipass line3price if this field is empty?
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Feb 25, 2011
I want to refresh the calculations on a form without submitting the form. I have tried two different JavaScript button codes, and I'm wondering if there is a reason for using one over the other, and if there is something else better for cross-browser use.
1) [ICODE] _doClick('$Refresh', this, '_self')
2) [ICODE] _doClick('$Refresh', this, null, null)
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Dec 1, 2009
just wondering can i have a submit button to do some calculations before the whole form submits like this?
Code:
<form>
<options selected></options> <calcTotalSubmitButton>
<SubmitWholeForm>
</form>
how do i call the first submit button to submit what the user has entered, before submitting whole form?
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Oct 9, 2009
A client would like me to implement spreadsheet-style form traversal using the arrow keys on a keyboard, i.e. left arrow would submit the entry for that field and then move left by one field on the form.
The form is managed by my PHP code. Does anyone have a browser-independent method of doing this please?
All input fields in the form are single line text fields.
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Sep 12, 2006
I want to make algorithms that take selections from arrays and put them together in new ways. here is a simple array I set up for notes of a piano keyboard: Code:
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Sep 11, 2003
I have a wapper here, and I'm going crossed eyed trying to figure this one out. I have a form with Radio Buttons for my customers to purchase a customizable club program. I have 5 sections each of which cost a certain amount. Then I have another section that lets the user pick what duration they would like, 3, 6, 9 and 12 months. Each option has a certain % taken off the retail price. 5%, 10%, 15%, 20% depending on the duration option. All calculations are done on the fly as customers click the radio buttons. I do have it set up and working, only I have the duration listed as many times as my sections. I would like to have only one duration section. I'm not sure if this is done in java or HTML....
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Nov 8, 2005
I got the following code running on a seperate page but how could I do it without forms? the page I wish to put it on page is one big form and therefore nested forms are a no no.
<script>
function calc() {
var inp = document.ccForm.inpt.value
var inp2 = document.ccForm.inpt2.value
var outp = 0
outp = inp * inp2
document.ccForm.outpt.value = outp
}
</SCRIPT>
<FORM ACTION="#" NAME="ccForm">
<INPUT TYPE=TEXT NAME="inpt" SIZE=10 VALUE="2.9" ONCHANGE="calc()">
<INPUT TYPE=TEXT NAME="inpt2" SIZE=10 VALUE="2.9" ONCHANGE="calc()">
<INPUT TYPE=TEXT NAME="outpt" SIZE=10 DISABLED>
</FORM>
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Jan 11, 2011
I have a script with the following:
I need to do the following:
When the amount boc changes value, it must change the $credit amount and effect the $total_crt amount (ex. 10 + 10 in credit value - $total_crt value) So whenever the client chooses a new value from the select box, it must change it emidiately with javascript, but only send to the database once an update button is pressed.
Here is a quick example of my code:
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May 7, 2003
How can I access the HTML from a page in an IFRAME? I've tried this but it didn't work, when I clicked the button, 'undefined' came up in the DIV. Here's my function
PHP Code:
function loadPage ( file ) { document.getElementById('iframe').src = file; document.getElementById('td').innerHTML = document.getElementById('iframe').document.innerHTML;}
and here is the DIV and IFRAME
Code:
<div id='td' class='body'>
<input id='file' type='text' /><br />
<input id='button' type='button' value='Load' onClick="loadPage(document.getElementById('file').value)" />
</div><br />
<iframe id='iframe'></iframe>
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Aug 5, 2009
I have a form which is used to calculate residential Floor Area Ratio (FAR). The form is structured into seven parts as follows:
Part A: Maximum FAR and Floor Area:
Part B: Gross Floor Area of the main floors of the main house:
Part C: Gross Floor Area of the basement or cellar:
Part D: Gross Floor Area of the attic:
Part E. Gross Floor Area of all accessory structures except detached garages: (including cabanas, guest houses, caretaker's cottages, pool houses, sheds, barns, or other structures except a detached garage)
Part F. Gross Floor Area of the garage: (not including basement garages)
Part G: Total Floor Area:
The Javascript involved in the calculations is as follows:
[CODE]
<SCRIPT LANGUAGE="JavaScript" TYPE="text/javascript">
function checkAllInputFields(){
IsValidEntry(entireForm.A1.value)
IsValidEntry(entireForm.A5.value)
[Code]....
I have attached the html file as a .txt file for reference, and I have attached a .txt document including all the values I used for testing.
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Jul 14, 2010
Dear expert (Ok, i am new to this and should maybe not address this as a letter )I hope someone can help me ... this is what i want to achieve (I am using frontpage)I want to create a table (this i can do!) that require a user input (number of guests).It then has SEVERAL options:- Select an option from a drop down list, and a price is then loaded from somewhere to create a total for that option and display it in the table (And keep that total for adding later)- Check a box, and if checked it creates a further calculation, displaying and storing the number for further calculation.a number of the above options, and a grand total on the bottom.I found more or less a page on a site that does what i am looking for, but after looking at the code, i have even LESS of an idea how it works Can someone PLEASE help me, or point me in the right direction?(I am not looking for someone to just write the code for me, as this will not teach me anything, and i want to learn)
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Jan 2, 2011
Decided to start learning JavaScript, started 2 days ago. Anyway, I'm trying to create a simple script spits out a styled result based on a user input. code...
The problem is that nothing is happening when I press the calculation button.
What I would like to happen is to display a div element for each value in the array which displays the entered value from VenCost2, the current Margin %, and the result of VenCost2 * margin%. I want this to display on the same page and underneath the calculation button, preferably not having to reload the page.
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Nov 27, 2005
I have 6 images (representing each side of a dice). I need to display two of these images randomly when the user clicks "Roll the Dice!". I have set up an array with all my images contained, and I have no problem getting two random images to display when the user clicks the button. This is the easy bit. Here's my code:
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Oct 4, 2011
I am trying to replicate the function that is on this page [URL] - where the links on the right open an external HTML page that activates a dialog window and the whole thing floats above the parent page. I've ripped apart the JS file but it goes beyond my understanding and has references to demo this and demo that - which isn't going to sit well with my existing code. I am trying to see if there is a simpler version of this function that doesn't require 155 lines of JS. I found the JS code to open an HTML page inside a DIV using ht e object ID method but it still acts like an iFrame and my dialog window is trapped inside, not floating above the parent page. I've even tried to use the CSS overflow: visible; but I'm sure there is more to it than that - especially since it didn't help ;) I can't use AJAX or PHP like many of the scripts I found use, so i has to be just like the page I gave as an example.
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Jul 29, 2009
I have the following form. The html file was saved on my HD and in true it is a full text.
Now I want to see that file inside the <textarea> when the user on click that link and at the same time shows the textarea (instead onclick checkbox).
<form>
<A HREF="ww_HTMLView.html">ww_HTMLView.html</A>
<input type="checkbox" onclick = "urltxt.style.visibility = (this.checked) ? 'visible' : 'hidden'" />
<textarea name="urltxt" style="visibility:hidden">
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Apr 27, 2009
Hi I'm new to the development world and have bumped into a tough problem for myself. I'm attempting to display external RSS feeds on my site using AJAX. The 'title' and 'link' tags from the XML file appear on my page without any problem. However, unlike the 'title' and 'link' tags, some of the 'description' tags contain HTML.
This seems to be an issue when I'm trying to display the content within the description tags. As you can see, I embarrassingly tried enclosing the variable newtext2 in CDATA tags to no avail. Since I do not directly have access to this RSS file (other than asking my friend if I can edit it), is there a way for me to display the HTML content within the 'description' tags strictly via JavaScript?
Code:
function getXMLHTTPRequest() {
try {
req = new XMLHttpRequest(); /* e.g. Firefox */
} catch(e) {
[Code]...
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Aug 10, 2007
I'm looking for the easiest way to change HTML inside DIV element of the page which will work in all browsers. I've googled and found solution, but people say it works only with IE.
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Mar 27, 2011
I need to include JavaScript variable inside the style tag, how can I do it? I have tried code like below but obviously it doesn't work
Code:
<html>
<head>
<script language="javascript">
function getNumber()
[Code]....
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Feb 25, 2008
Im trying to submit a form , which holds another form tags inside (i must do it this way) the problem is that this doesn't work on IE, while it works perfect on Firefox
the button seems to have no effect on the page... its like it is not connected to the form....
this is how the page looks like ( i minimized it to show here...)
I did tryed to change the button to input type=submit... but it doesn't work also....
<form name="submitPage" action="package.servletName">
<table border="0" id="tblClass">
<tbody>
<tr>
[Code]....
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Sep 19, 2005
I have some date calculations that add a time span to a date. The problem is, when I add a time span that is a whole number of days to a date, the result can be +/- 1 hour due to daylight savings. Is there anyway to disable this?
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Apr 3, 2009
I have a matrix of radio buttons:
<input type="radio" name="chcalt" id="radio33" value="1">
<input type="radio" name="chcalt" id="radio32" value="2">
<input type="radio" name="chcalt" id="radio31" value="3">
[Code].....
The colum totals would change to: 2, 0, 1 and the total would be 3
I basically need the total of each column and the total overall. The value should be taken from the actual "VALUE".
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May 2, 2011
So, I doing this bit of code for a pagination, but havingproblemswith my next, and back buttons.So I cam up with the idea to store the current page number in between two <p> tags. So the say the current page is 5, it would be shown in html as <p>5</p>My question is, with using jquery, can i get the 5 from the two p's, ive manage to stick the 5 into the two <p>'s using jquery, the code:$("#current").html(pageNum);with #current being the <p> id and pageNum being the 5.i have triedvar prevNum = $("#current").get(0);for getting the number but didnt work also here the jquery code, incase you want a full scope of what going on
<script type="text/javascript">
$(document).ready(function(){
//Display Loading Image
[code]....
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May 7, 2010
Forgive if this has been asked a hundred times, I couldn't locate the answer using search.
So html has this:
<script type="text/javascript" src="jquery.min.js"></script>
<script type="text/javascript" src="myplugin.js"></script>
I'd like to move the jquery.min.js include out of the html file and into myplugin.js. Is there a reliable method?
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Jan 11, 2011
How do you target a DIV ID inside of the frame?
I want to add the P text to a div with an ID="ContentArea" that is inside the iFrame. code...
but I have moved that DIV inside of an iFrame now and I need to traverse the path to it.
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When I set some HTML within a container using .html(), it loads script tag twice. Follow is example [code]...
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