Show Text Message If Form Field Populated?

Aug 22, 2010

I don't know how hard this is / isn't to do, but I wondered if it is possible to use Javascript / jQuery (I have the library included on the page I need to edit) to display a message below a text input field if the field is populated.

The reason I need it is that if the user fills the field in, I would like to add an instruction message underneath the field. If the field remains empty, I don't want the text to display.

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Dynamically Add A Populated Text Field To The Form?

Jul 16, 2010

I have a form to add items to a database. In the sidebar next to the form I have a bunch of pre-defined items, I would like to be able to click on one the pre-defined items and have it add a populated text field to the form.

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Jul 20, 2005

I'm trying to show/hide a simple piece of text and a text field on a
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<select name="dropdown" size="1">
<option selected value="">Please make a selection</option>
<option value="1">Choice 1</option>
<option value="2">Choice 2</option>
<option value="3">Choice 3</option>
<option value="4">Other</option>
</select>

i.e. if Choice 2 is selected I'd like to display a new <tr> with the
following:

<tr>
<td>New text field:</td>
<td><input name="newField" type="text size="20"></td>
</tr>

if any other choices are made, I don't want to display anything.
I've tried several onchange() functions but can't achieve what I'm
looking for.

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Sep 18, 2010

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Jul 30, 2010

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Jun 29, 2010

I have a webpage for insurance agents that the agent will login and then enter some insured information.

There is a field named "agentnumber" that is on the form, but is hidden by a display:none. The field is set from the username of the person who logs in whenever the form loads the first time. The form will save automatically when the user leaves the page.

I am experiencing a weird issue that every now and then, the agentnumber field is getting saved with incorrect data. After discussing it with the agent, it is being saved with the agentnumber of the agent from other companies, not from the my website. what may be happening as I thought browser security would prevent cross site javascript. The users are using IE 7 & IE 8.

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Feb 22, 2009

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Feb 19, 2002

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Oct 8, 2010

I want to do a form validation and it should return a message like "should not be empty" when the user leaves the field blank..

I have html code like this

Now I want to know how can i display alert message to the user saying that the particular label name should not be empty..

For eg.. here I want to display alert as "Did you find this article useful? field should not be empty".... (Assuming this is mandatory)

I have so many fields like this in my form(checkbox, radio buttons, etc...) and i want to display alert with label name...

How can I do this using javascript.. (I know how to do validation in javascript popping up the alert(without label name), But I am not sure how to display alert with label name))))

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Sep 3, 2010

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Apr 13, 2010

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Mar 2, 2006

I found the toggle function (shown below) and applied it to a form of mine.
It works fine in IE, but in Firefox it appears to fail on the eval lines.

I've searched around but I can't seem to find the correct invocation to get
the field to appear in Firefox.

I've copied below the call and the html of the field itself.

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Dec 15, 2011

I'm new to JavaScript. I'm trying to create my form in such a way that if 'Premium' is selected, a the text box with label 'membership no' is displayed and if 'bronze' is select, the drop-down list 'sponsor' is displayed instead....here's what my form looks like...

<form id="form1" name="form1" method="post" action="">
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<br /><select name="select" id="select">
<option value="Premium" selected="selected">premium</option>
<option value="Bronze">bronze</option>
</select></p>
<p>Membership No:<br />
<input type="text" name="textfield" id="textfield" />
</p>
OR<br />

Sponsor:
<br />
<select name="select2" id="select2">
<option value="329">329</option>
<option value="234">234</option>
</select>
</form>

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<form id="inputArea" action="index.php?action=login" method="post">
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[code]....

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Oct 21, 2010

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Mar 1, 2011

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I figured out how to script onclick functions and some basic .value == functions in order to show/hide just about every type of form field. So I don't need that info. But I'm unsure of how to calculate the value.

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<html>
<head><script>
var conta=0;
function ctr(quale)

[code]...

It works but I nedd to ask for an email instead of showing an alert.

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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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Jan 25, 2011

I am very green in Javascript but I am working on it, I was wondering if this is even possible:

I have a bit of information as just text on a page, what I would like to do is to have the text change according to which form button they select. The trick is that the text information is not in a form, its just in a table.

example:

Here would be blah blah blah

()<-bad impression of a button

once I select that button, the information above it would change to something different.

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Mar 11, 2009

I have a form and inside the text fields I have a note that indicates: Type here your name...all this instead of having titles for each field. That text is set as initial value and the user has to highlight the text to delete it. What I am wondering is if there is a way to have the text but when the user clicks on the Field the text disappears and there is no need for deleting. I have seen this before but I can recall where.

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Here's a bit of my code for the form: *NOTE=the onblur is to make the intial value dissapear on click in the field. Code:

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Oct 18, 2010

The javascript below works perfectly using Firefox, but not Opera or IE.I have a button which I would like to clear the text in the input field with.The "onFocus" on the input field works fine in all browsers, but when clicking the "cross.gif"-button, it only works in Firefox.javascript:

Code:
function checkclear(what){
what.value=''

[code]....

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Jan 21, 2011

I'm trying to get a select box to display text from a database in a div tag from the select box populated by a while loop that also pulls from the database. The only way I can do this is from a javascript written by sending it over to a second page and I need it on just one page. Here is my code below:

<?php
session_start();
$q=$_GET["q"];
$num = $_GET['num'];
$test = $_GET['oneGram1'];
$_SESSION['oneGram']=$test;
[Code]...

Even if this is a wrong way to go about doing this can someone post just a simple script using a select box and displaying data on the same page?

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Nov 20, 2011

I'm working on a web app where a profile is displayed to a user. The profile consists of data pulled from FB and LinkedIn via their respective API's. I'd like to provide the user with the ability to add more detail to the profile. I've scoured the web looking for a way to use Javascript to change an HTML element from a link to a form field but couldn't find exactly what I was looking for.

For example...

Profile:

Education: College Add Major

And when the user clicks the "Add Major" link, it turns into a form field. I'm not much of a front end developer but I'm working alone on this project so I have to wear a few hats.

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