Extending Form

Mar 18, 2004

I'm looking for a way to add more field depending on the user's input,. e.g. the user inputs ཆ' in the option, and 10 more sets of fields are displayed below on the same page. How do I go about accomplishing this?

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DOM - Extending A Form And Table

Jan 9, 2007

How do I extend both the table and the input form? Ultimately, I want it to look like this:
_____________________________
|header |header |header |header |
| INPUT | INPUT | INPUT | INPUT |
Add Row of Inputs Link
_____________________________
|header |header |header |header |
| INPUT | INPUT | INPUT | INPUT |
| INPUT | INPUT | INPUT | INPUT |
Add Row of Inputs Link

I know how to make the html row by using getElementById() or so and I know how to make an input field by createElement() but how do I create and append(?) them together, specifically the multiple input fields inside of the html row?

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Extending The Objects In IE6-8?

Jan 22, 2011

I have the following code:

var img = new Image();
img.myProperty = 'something';

I've tried Image.prototype.myProperty and a few other things. It seems IE just doesn't want me extending the Image object.

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DOM + Extending Forms

Sep 26, 2005

I'm embarking on a rather interesting wine cellaring project where I need to enable a user to add form fields (a complete table row with several fields) on demand.

If they start filling out the form and need another row for another bottle, I need them to be able to click a button that adds a new row to the table with the same fields.

I also need perhaps another button that will create the row and duplicate the form field values of that row. The winery, wine namen and variety may be the same but the year may change and I dont wan thte user to have to do any double entry. I've been researching DOM and have been looking at sites like Quirksmode.

Am I heading in the right direction? I'm just about to go an buy a book on DOM and start really getting into it.

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Extending Math Functions

Jul 23, 2005

Javascript has a very small math function list. However there is no
reason that this list can not be extended greatly. Speed is not an
issue, unless you nest complicated calculations several levels deep. In
that case you need much more ram than a PC has to store functions
calculated in loops so that you do not have to recalculate every time
you cycle through the nest of loops. Using a HD for storage to extend
ram is much too slow for many applications.

Some functions such as hyperbolic ones are easy to add, since they are
just simple combinations of the built in javascript math functions. I
have found a few examples on the web such as Bessel functions. I found
far fewer javascript math functions than I expected on Google searches.
Thus I have had to write several functions of my own.

See http://www.cwdjr.net/math/I0L0andI1L1.html for an example of two
"functions from hell" that are very difficult to evaluate. Fortunately
there are Fortran programs that can be used as a starting point. I was
able to modify the Fortran programs to work on javascript. I have used
these functions for technical applications in the past.

The page is set up to reject the NN 4 series, because it will not
support some of the script needed such as .toExponential(n) and
to.Fixed(n)for writing output in exponential or fixed format. I was
amazed that even the old MSNTV(former WebTV) set-top box, that no
longer is being made, will even support these output formats. I wonder
about IE4. If it will not support these output formats, I can easly
block it by checking for document.getElementById.

The code works properly on the latest versions of IE6, MSN9, Firefox,
Mozilla, Netscape, and Opera. I am not selling anything, so for a
special interest page such as this, I see no need to support older
browsers.

The advantage of doing math with javascript is that it is so portable.
You can do it anywhere you can use a computer, or you can do it on your
own local computer offline. There are several math programs for PCs
that will do very much more than you can hope to do with javascript.
Unfortunately the program I would like costs about US$ 1800. Also there
are versions you can install on a server, but these also are expensive.

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Extending HTML Forms?

Feb 1, 2007

I am trying to create an HTML form in which user will enter different items (he wants to purchase) in text fields. One text field is used for one item. Now it is not known in advance how much items the user will purchase so we cannot decide the total text fields required in advance. Is is possible to increase the number of text fields (using JavaScript) one by one if the user requires more fields

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JS Menu Extending Out Of Frame

Nov 24, 2007

My website has demo music tracks and a Flash player. I've put the site in a frameset so that music continues to play while the user is browsing around.

The Flash player and menu are in a thin horizontal bar along the top of the page (top frame). I just realised that my nice JS drop-down menus are not displaying because of the frame... is there any way of getting them to extend beyond the frame they're contained in ?? Code:

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OOP - Extending A Class And Overriding A Method?

Jul 14, 2009

I have this class, (just the signature)

javascript Code:

var parent_child = function(po, ps, co, cs){
var url = 'http://xyz.com/abc/';
var pars = [], childs = {}, tmp;
this.p_added = function(urlFrag){

[Code]....

What i want to do is to create a new class with the above one as the super class, pass in one more variable to the constructor and override the p_added function. I thought of doing something like xpc = new parent_child(); and override the function with xpc.prototype.p_added = function(){}

how to pass in another variable to the constructor and make it private to the new class.

I believe there is a nice and concise way to achieve what i want to, but i can't find it. And the fact that OOP in javascript can be implemented in several different ways doesn't help my cause.

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JQuery :: Extending Or Replacing Core Function?

May 17, 2010

A client is using an analytics tracking script that needs to be updated each time the DOM is modified (ie, an element is added or removed). Basically this script allows the client to track user actions on the site (clicks, mouseovers, etc.) and, if the user is having issues, replay the entire session to help them with their problem. The issue we're running into is that this tracking script takes a cache of the DOM tree on page load, and when the DOM is updated it needs to specifically be notified that there has been a change... or else the script won't be able to see the nodes that have been added/removed.

Assuming all DOM manipulation is done using jQuery functions, is there a way to run some function every time the DOM is manipulated? I've noticed that all the DOM manipulation functions seem to run through the internal $.fn.domManip function, so I was wondering if it's possible to extend or replace this function from another JS file (assuming of course that all the manipulation functions DO in fact run through $.fn.domManip)?

Example (don't take this code seriously, it's more meant to illustrate what I'm trying to do):
var oldDomManip = $.fn.domManip; //Copy the function (I know this isn't right)
$.fn.domManip = function() {
oldDomManip(arguments);
//update the analytics program by calling it's update function here...
}

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JQuery :: Plugin For Extending .keypress To Two Keypresses?

Sep 26, 2009

I'm writing a plugin for jQuery for catching 2 succesive keypresses. I'll paste the plugin I wrote below It doesn't work on Opera . The Developer tools of Opera gave no errors and I can't find any problems, it just doesn't work.(I've used Opera 10.0). o it only works on Firefox (tested on 3.0.14). I'm curious if there is a way to find out why it's not working on Opera and to fix it.

[Code]...

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Sites Dedicated To Extending Native Objects?

Nov 24, 2009

I was wondering if there are any sites dedicated to ending javascript objects using the prototype property to give them features like trimming string, removing elements of arrays by name, removing duplicates in arrays, etc. Granted I have functions to do this but there's probably a ton of other good ones out there. Most things I've seen are frameworks like JQuery (which is awesome) but it doesn't extend these objects.

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Extending An Object Whose Constructor Takes Arguments?

Jan 2, 2011

I'm sure this question has been asked many times before, but I can't seem to get the correct terms to find the answer in Google.I understand basic JavaScript inheritance. However, everything I've read makes the inheritance work something like this:

Code JavaScript:
var ChildClass = new Function();
ChildClass.prototype = new ParentClass();
ChildClass.constructor = ChildClass;

That's fine, but what happens when ParentClass's constructor needs parameters?As an example, look at the following code:

Code JavaScript:
function Furniture(color){
this.color = color;[code)....

How could I "copy" Furniture's constructor into the Chair object? Better yet, how could I copy Furniture's constructor and then add some functionality to it?

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Prototypes - Extending An Image Object To Make A Snowflake?

Jan 1, 2011

In the spirit of the season, I wanted to make it snow on my website. So I began digging. Eventually I ended up with a script that moved an image element down the page in a snowflake-like manner. The problem with it was it was dependant on an img element for every flake - simply no poor programming when using an Object Oriented programming language.So I decided I wanted to extend (in Java-speak; most of my programming background is in Java) the in-built Image object. The new object's src variable will lead to an image of the type of flake it is. (I want to be able to have more variance in images than a simple dot.) The new object will have a function that will allow it to move.A separate,unrelated function will control when each flakes move.

I did some more research and read about prototyping on JavaScript Kit and here (http://mckoss.com/jscript/object.htm), but I still cant seem to get this to work. JS Lint says it's bug-free, but Firefox says "move()" is an invalid function. I am presuming the problem lies in my inability to fully grasp how to extend objects in JavaScript.

<html>
<head>
<script type="text/javascript">[code].....

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JQuery :: Extending Background Stretcher Plug In And Add Navigation?

Oct 21, 2010

I am working wiht this JQuery plug in that now one of my clients wants to turn it into a slideshow feature. I am not that familiar with JQuery plug ins so I wanted to get some input from some of you.

On the header of my html page:

Code:

$(document).bgStretcher({
images: ['1.jpg', '2.jpg', '3.jpg', '4.jpg'],
imageWidth: 1668, imageHeight: 1035, nextSlideDelay: 3000, slideShowSpeed: 4000
});

I was able to add a click handler to trigger the a function on the plugin called loadslide().

Code:

$(document).ready(function ($) {
$('.slideNo').each(function (i) {
$(this).click(function () {
loadSlide(i);

[Code].....

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JQuery :: Prevent Unorder List Submenu From Extending Past Viewport

Feb 10, 2011

Im trying to prevent my unorder list submenu from extending past the viewport.[code]

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JQuery :: Extending Objects With Internal Objects?

Sep 5, 2009

Is there a better way to extend object with internal objects?

$.fn.bestShow = function(s) {
var d = {
width: 0,
height: 0,
order: "numeric",
orderBy: "",

[Code]...

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Submit Form, Validate Form, Set Cookie, Send Email, Download File

Jul 23, 2005

I have a form built and on the onclick event I validate all of the
fields and then if the form is ok, on the submit event I run a
javascript function to set a cookie and download a file from the
current window.

I have a cgi script provided by my web host to send the contents of the
form through email but they only show me how to use the cgi script to
send email through the submit event of the form.

ie. <form name="downloadform" method="post"
action="/cgi-bin/cgiemail/mailtemp.txt" onSubmit="return
Validate(this)">

Can I utilize the cgi script/link from my javascript function and still
send the contents of the form through the cgi email??

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Jquery :: Realtime Order Form - Change Form Elements Depending On Selection

Aug 25, 2010

I've been struggling trying to get a small order form to work the way I want it to. Here is a link to the live page: [URL] And here is the code in question:

[Code]...

I have two questions...

Question 1 How can I make this piece of script act a little smarter. Look at the order form, I'm catering for up to 4 people and providing lunch for them. If they select 3 people and the spaghetti bol for lunch, it's only adding $10 where it should be adding $30. Obviously this is simple multiplication but since the values in my form are prices it makes it a little tricky. I'm guessing an onselect on the first part of the form which changes the pricing of the other items would be the way to go, but how do I do this?

Question 2 The "Total Price" is placed before the <form> tag by the script. This is ok but it's not where I want it. How can I position this text elsewhere in the document?

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Instantly Display A Form Element Based On Prior Form Selection Made?

Mar 16, 2010

How does one cause a form element to appear ONLY if a certain form selection is made before it?

That is for example say there is a form element of type Radio called "format" so only if they select format value = normal then the form input fields called URL and Name are to appear as the next choices otherwise form input field Group and checklist Places are to appear as the next choices.

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Fill A Form Box2 Automatically Based On Form Box1 Input

Jul 23, 2005

How would I put this together so,

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

<input name="input2" value="whatever is typed into input1" type="text">

I would like to be able to type something in input1, and see it type
into input2

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Document.form.submit() Doesn't Work For Large Form Fields

Mar 2, 2006

I am having a problem with the submit() method that is driving me nuts. I'm using document.form.submit() with large text fields (approx. 2000 characters) and am getting a "Invalid Syntax" error. If I do the same thing with a text field of under 1500 characters, it works fine.

Is there some size limit here that I don't know about?

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JQuery :: Add Fixed Value To Form Input And Send To Separate Form Field

Jun 3, 2011

I've have a function to take the value entered in a form text box, add 50 to it and put the result in another text box.

When I enter 650.5 I get 700.5 exactly how I'd expect. But when I enter -650.5 instead of getting -600.5 I get -650.050 as though it is failing to parse the float due to it being negative. My understanding of parseFloat was that it recognises negative numbers. Is there a nice simple way to get this to work?

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JQuery :: Read A Remote Web Page With A Form - Fill The Form & Submit It

Oct 11, 2010

Is it possible to read a web page on some web site that contains a form. Then identify the fields in the forms. Then fills the fields with my data. and then submits the form as it submitted normally. I need to do this to automate for my final proyect , i need to fill many web pages remotly

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Passing Data From Multi-page Child Form To Parent Form

May 23, 2010

I would like to have a main form (written in PHP) that has a "lookup" button next to a text field. When the user clicks "lookup", it should open a new window that lets them search (child.page1). When they enter a name or DOB into the search form, it submits the form through PHP (via POST), to a results page (child.page2). This displays all persons in the database which have a name or DOB == to the search term(s), with a checkbox next to each match. They click the checkbox (or alternenatively, a link), and return the checkbox value to the main window.

I have everything working right now, except that (child.page2) doesn't recognize the main window. If the data is entered on (child.page1), it works fine. I'm not very familiar with javascript.. is this even possible? I've considered using frames, to keep the parent-child relationship evident to the computer, but figured I'd check to see if there's an easier way.

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Pass User Input From A Form To One Database Field Using Several Form Elements

May 4, 2009

I need to pass user input from a form to one database field. I'm relatively new to JS but the idea I had was to have several form elements and use JS to collect the users input and send all the values through a hidden element. What's happening is the variable names are being sent rather than the values. The code below is only passing to the next page. Limitations: I am editing an intranet site built by a 3rd party so a lot of the files we've been given are encrypted. I cannot change the method to post.

[Code]....

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Ajax :: Loaded Form Processes The Form But Does Not Redisplay Back In Target Div?

Dec 9, 2010

Here is the issue I am having: In my project, I have a index.php page with a sidebar menu and a div id called úcontent.The user can select different menu items and perform searches from the database and make updates to their account. Im using ajax to load all of the menu items and all of the forms into the div id "content" on the index page. The Forms all load into the target div as they are suppose to with ajax.

However, on the mysettings page I have two forms and two different buttons, one called save and the other called update. When a user wants to edit their account information and makes changes to their account they clicks on either button and the form processes the information and updates or inserts data into the database correctly but the problem is that after that the form or page does not display the form back in the div id "content" like how it was loaded originally in the index.php page. The problem is that it reloads or refreshes the form page without the index.php page being involved. That is does not get reloaded or updated inside the index.php page content div again.

What I would like do is have all of my forms process whatever is submitted on the page and display the results back inside the same content div on the index.php page again. I know I am missing something because all of my forms are doing the same thing. I am hoping someone can help me out. I would be very grateful for example code that I can learn from since I am still relatively new to web development. I am posting some sample code below.

[Code]...

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