Require Text Field Only If Another Text Field Is Not Blank

Oct 10, 2007

I am trying to create a javascript form validation that will make a text field be required only if a previous text field is populated. If the first text field is blank, then the second field can be blank as well.

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JQuery :: Validate : Require A Blank Text Field?

Oct 26, 2010

I'm trying to set up a form that has a text field that is required to be blank - I'm dealing with form spam, and the bots are stuffing every text field with random crap. So, I have a text box that is required to be blank. But I can't get jquery.validate to understand both required and blank.the text input is has a name and id of live_check.I have added this method:

$.validator.addMethod("equalToParam", function(value, element, param) {return value == param;});

and then my rules look like this:

rules: {
first_name: "required",
last_name: "required",[code]...

But validate flags the empty text box as invalid (because it's required?)

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Mar 8, 2010

I have a simple form with a sum.

Sum is 4 + 1 = ... the answer will of course be 5.

Does any one know of a simple tutorial where a specific number can be entered into a text field. If number is incorrect it pops up a simple error box.

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Oct 14, 2011

When a user has entered text into form fields and hits the Save button, the text is saved into local storage. When they hit the Load button at a later date, the text fields are populated.If the user does NOT enter text and hits the Load button, the default empty text fields are populated with the word "undefined." How do I keep the field blank? Because if they do this accidentally, they'll be hitting the back button repeatedly to delete the word in every field (this is on an iPhone).Here is the Load code:

Code:
/*
* Insert data into form fields from local storage.

[code].....

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Mar 20, 2011

what's wrong with this code to check if a text field is blank and either display/hide the <div> accordingly.

Code:
<SCRIPT language=javascript type=text/javascript>
function validateForm(order)
{
{

[Code]....

The <div> (id='name') is displayed if nothing is entered and the user clicks submit, however if the user then enters a value into the text field, and re-submits, the <div> still appears.

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Nov 22, 2010

I have a text field (field1) already displayed on the HTML page. However, there's a link where you can add additional text fields to the page as well. When the link is clicked, the second text field is added successfully (field2), and when the link is clicked again, the third text field (field3) is added successfully. However, the third field does not add itself to the page, and the text for anything greater than a third field also isn't displayed after. This obviously means that my "fields" variable is not working right

<script language="javascript">
fields = 1;
function addMore() {
if (fields = 1) {
document.getElementById('addedMore').innerHTML = "<input type='text' name='field2' size='25' /> <span>Field 2.</span>";
[Code]....

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Feb 22, 2009

I have a website containing 26 subdirectories 'a' to 'z'

On the home page I want a text field and submit button

If someone for example types 'j' it will go to the 'j' folder home page

Does anyone know where I might find code like this?

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Pre Populate Text Field Based On Another Text Field

Jan 23, 2010

I'm developing a web page. It includes 2 text boxes. One text box for city and another text box for std code. I wrote the code for auto suggestion to city. Now i want to pre populate the STD code when ever a known city is selected (when city is selected from the recommendations displayed for city field).

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JQuery :: Highlight A Radio Field And Then Pop Up An Input Text Box Field?

May 13, 2010

I am trying to make some dynamic effect to a HTML page using JQuery.<br/> 1.<br/> When the user clicks a Radio field, the field will be highlighted.<br/> 2.<br/> When the user clicks the Radio 'Man', <br/>a Input text box will be provided immeditely just below it.

Here is my simple HTML page, but I don't know how to do with the JQuery part:

<Table>
<TR>
<TD>Gender</TD>
<TD>

[Code]....

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Nov 18, 2009

I have a text field, call it income, that when the input is > 0 I need to dynamically show the next text box, and if it is blank hide the next text box. I would like to use onBlur but can't seem to get it to work.

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Apr 2, 2009

I have created a html purchase request form that people will fill out and submit to make purchase requests within my company. In this html form, I have a text field that is automatically populated when the page is pulled up. The text field is populated with the name of the person who is logged in and it is read only so they cannot be deceitful or anything.To get to this HTML Request form, you must log in through a webclient thus the server knows to populate your name because you are the one logged in. The text field populates because of its <input NAME = "OBProperty_CurrentUserRealName", which is a keyword the program identifies and knows to populate with the logged in users name into that particular text field.

That works all fine and dandy, so here is where the problem lies. When submitting the overall form request, the populated name isnt being saved/ carried over to the admin page so we do not know who it was submitted by.To make the persons name carry over and save, another field name keyword must be used.

Which is OBKey__163_1. Which it was suggested to me to make that the input name of a hidden field. I need "text field A" to continue to populate the form with the persons name using OBKey_CurrentUserRealName, then pass the persons name off to a hidden field containing the input name=OBKey__164_1, which will thus save/pass the persons name on with the rest of the filled out request form when its submitted.

Here is what I have:

<input name="OBProperty_CurrentUserRealName" type="text" id="buyer" style="width:100%" readonly="readonly">
<input name="OBKey__163_1" type="hidden" id="OBKey__163_1">

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Jun 17, 2010

I want to get the cursor start and end position of a selected range in a text-field or text-area. i tried lot of functions in various forums. but when the last character of the selection is a new line character JavaScript ignore it in IE6. any one having idea ?

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Apr 13, 2010

Have a small problem with a cms whereby when i try to insert default text into an input text field using the "value" attribute it gets deleted. I was thinking to force insert the text in there when the page load with javascript but not sure exactly how...

<p><input name="vericode" id="vericode" value="This text doesn't display!!" type="text" onclick="value=''"/></p>

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Sep 30, 2010

I have a text box.I need to

1) search the database for the words user is typing in the text box. This will happen with each key press.

2) if there is a match - I need to change the text color.

How can I achieve this?

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Feb 22, 2010

how to do what i wanted. I've got a .pdf file with a bunch of text fields, i would like it to make it so that when the user has focus (is writing in or clicked it) on of the fields it shows a different field with information on how to fill out that field and which field to procede to. Ive figured out how to show a field when focus is on another field, but cant get it to hide again when focus goes to something else.

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Oct 21, 2010

I am having some issues with a form that has "name" "email" "address" text field the a comment section that has been pre filled with the followingI <name> of <address> blah blah blah blah blah blahblah blah blahblah blah blahblah blah blahSigned<name><address>Now my question is how do i get the form (made in html) pull what the user types in the text field and make it get added to the comment section of the form where the <name> <address> is required.Once filled out it is emailed to me.

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Aug 16, 2011

My script is used to check some text field before the user upload some text, below you can see the code:

[Code]...

(i guess something is wrong since internet explorer works and chrome/firefox not) I also forgot to mention that the script works just fine when i am testing the webpage on my pc, the problem is when i used the webpage not locally but over the net, is there any setting should i change on my hosting server?

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Oct 27, 2010

I'm trying to capture and use the text in a text field after a send button is clicked this is what I have.

[Code]....

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Oct 26, 2002

I am using a calendar control based on the one at Brainjar.com. I have made the text field into which the date is inserted readonly. The problem with this is that if a user attempts to change the date manually by deleting part of the highlighted text, the browser goes back one page.

I want to force the user to use the calendar control and not input text directly into the textfield- readonly is not enough as the text can still be highlighted and then causes problems if the user attempts to delete.

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Jan 30, 2010

I'm trying to make it so when the user checks a checkbox, the value for the checkbox will be entered into the text field.

Here is my code:

Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

[Code].....

I don't know what to put for the form action so I'm not sure if it's working correctly or not.

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Apr 21, 2011

I have 2 radio buttons:

[Code]...

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Jun 29, 2011

I prepare a contact us page for my site.URL...when click on submit button 2 or more times the message is set for require field is increasing.

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JQuery :: Use One Input Text Field To Drive Two Hidden Input Text Fields?

Jul 16, 2011

I have a problem created by my complete [rookie] status – only second time venturing into jQuery. I created a simple shopping cart using php and the PayPal buttons (1: buy now, 2: add to cart). The php back end does it great, it generates the table and the buttons and everything works just like it’s supposed to; Except, I forgot to add sizes. So I found out what I need to add, and I realize that the way the buttons work, I will have two different text boxes for size. Not very visually appealing, and since I’m not submitting this to the server before it goes to PayPal to pay, I cannot modify it with php the way I normally would. jQuery / javascript are my only hope of making this work. What I want to do:Have a single textbox where [size] is entered by the user.

Copy the value from the [correct] text box to the Value=”” section of the now hidden field in the PayPal form That way, no matter whether they [BUY NOW] or [ADD to CART] the right size is submitted to the PayPal shopping cart. This is the actual PayPal code that I’m trying to change

<table>
<tr>
<td>
<input type="hidden" name="on1" value="Size" maxlength="200">Size</td>

[code].....

I got this far, and then decided to find how to insert the "enteredVALUE" into the right place in the input text field (what I called output) and I've not been able to figure out how to stuff it in there.

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NaN Returned When Field Is Blank?

Feb 19, 2009

The following code is my form, if one of the fields is left blank (and there will usually be one left blank) the calculation returns NaN and will not perform the task needed. I initially had the form set to calculate in metric kilometers and liters, when I converted the math portion to miles and gallons it started doing this.This is the line giving me the problems:

var cars_emissions=(((mileage1/efficiency1)*0.3732417216/1000)+((mileage2/efficiency2)*0.3732417216/1000)+((mileage3/efficiency3)*0.3732417216/1000));
The original was:

[code]....

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Mar 11, 2011

I have a three field contact form on an HTML5 page. Using CSS3/HTML5 techniques, the fields change state as the info is entered properly (green OK symbol if good, red "!" if not, etc). That all works as expected in all browsers.

My final hurdle is preventing the form being submitted with nothing entered in the fields. I have done hours of research and have tried several ways of writing the checkFeedbackForm function. My problem is that none of the solutions I've found are recognized by FireFox (mac and pc) and IE. They just ignore the javascript and allow the empty form to be emailed.

[Code]..

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Jul 14, 2011

My Javascript doesn't display an error when the "bid" field is blank but I want it to.Everything else works okay but I'm not a Javascript programmer so I don't know where to begin.

function checkBid(fieldName,minValue,maxValue){
var numberfield = fieldName;
if (chkNumeric(fieldName,minValue,maxValue) == false){

[code]....

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