Blank Field Validation Ignored By FF And IE?
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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Apr 23, 2011
I want to carry out form validation for drop down lists. My website has 10 drop down lists. I want an alert message to be displayed whenever the user selects a blank field from a drop down list. One of the sample drop down list runs as follows:
[Code]...
How can I include a function that displays an alert message whenever a user selects a blank option from the drop down list?
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Feb 28, 2011
I have a scenario where I have the following jquery
Code:
$("#frompdc<?php echo $JavaCnt;?>").change(function(){
var id = $('#id<?php echo $JavaCnt;?>').attr('value');
var frompdc = $('#frompdc<?php echo $JavaCnt;?>').attr('value');
var topdc = $('#topdc<?php echo $JavaCnt;?>').attr('value');
$.ajax({
type: "POST",
url: "AJ_Update.php",
data: "firm=y&id="+ id + "&frompdc=" + frompdc&topdc=" + topdc
});
And some php to insert this data
Code:
mysql_query("UPDATE TBLTRANSFERS SET FROMPDC = ".$_POST['frompdc'].", MOD_TS = '". $timenow ."' WHERE ID = ".$_POST['id']);
I'm trying to throw some validation in here which I can do in php (a language that I'm much more proficient in) but can't figure out how to get the two together. I want to be able to do a select against another table I have for both the frompdc and the topdc.
Code:
$tofpdcresult = mysql_query("SELECT * FROM tbltransferspdcexclusions where FROMPDC = '".$frompdc."' AND TOPDC = '".$topdc."'");
$tofpdcnum_rows = mysql_num_rows($tofpdcresult);
And if it exists I want to give a popup message to the user as well as blank out the field.
I'm struggling with two things:
How do I get ajax to run two queries and return the results to a popup window?
How do I blank out the field in the form?
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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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Jul 13, 2010
I have a couple of forms which use JS validation and if the validation checks out the forms action is a new php page which sends the form (see code below). It all works fine but occasionally blank emails come through. After researching some people say I shouldn't use client side validation. Is there an easier way by tweaking the code I have rather than changing it all completely?
<script language="php">
$email = $HTTP_POST_VARS[email];
$mailto = "info@xxxxxxxx.com";
$mailsubj = "mail form";
[Code].....
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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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Aug 20, 2010
$('#enquiry').validate({
rules: {
Email: {
[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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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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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:
$.validator.addMethod("equalToParam", function(value, element, param) {return value == param;});
and then my rules look like this:
rules: {
first_name: "required",
last_name: "required",[code]...
But validate flags the empty text box as invalid (because it's required?)
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Dec 31, 2004
There will be a pop up menu upon detection of a blank field and I need to stop further execution of the script. How do I achieve that?
<?php if ($email_to == ' ' )?>
<script language="JavaScript" type="text/javascript">
window.alert("Please enter your the to field. Thank you.");
</script>
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Jul 13, 2011
I am trying to validate a web form. Someone else wrote the Html code and implemented it with an iframe using asp and php. I didn't want to mess too much with the code so I decided to use javascript to make the form validate, before it was sending email alerts with every field blank. For the most part the validation works but it skips the email field for some reasons and is really bugging me to death. this is the code:
<head>
<link type="text/css" rel="stylesheet" href="CSS/style.css"/>
<title>Bid Form</title>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<script src="gen_validatorv4.js" type="text/javascript"></script>
<script type="text/javascript">
[Code]...
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Dec 21, 2009
I need to validate two forms containing multiple input fields but want just one error message if any of the fields are left blank, the page is required to submit the users details (registration form). Also if any of these fields are left blank i don't want to be able to go to the next page on clicking the submit button
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Feb 26, 2009
I'm using the validation plugin available here and seem to be encountering trouble in IE7. The validation is not occuring and my forms submit. Not what I want.The functions below are working fine in FF3, Opera 9.0, Chrome, & Safari.I'm going to guess this is a result of some misplaced character or ...??? Maybe a second set of eyes will spot the error.
Code JavaScript:
//
// Validate Form Fields
[code]....
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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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Feb 3, 2009
The following form validation script works, currently if one of the five fields are completed, a message appears the remaining field(s) must be completed etc. Although the information the user has inputted in the first field is cleared. How can this information be available, if there is one problem in the form it doesn't make sense that the user must re-input all the information again. I look forward to hearing your response,
function validate_form ( )
{
valid = true;
[code]....
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Nov 2, 2011
I'm having trouble changing the font color of my labels ONLY when I stop the form from submitting due to blank fields. I'm not sure whether if just changing my CSS will achieve what I want, or am I going to have to add somethig to my if else statement, or both? I would think I would need to change CSS to :
label.onfocus {
color:red;
}
but a little confused on what else.
<?xml version="1.0" encoding="UTF-8"?>
<!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" xml:lang="en" lang="en">
<head>
[Code]...
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Jul 23, 2005
I have a web form with several fields. If I copy & paste from a RTF document into a field, the javascript validation and field length are bypassed and cause the form to fail.
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Jul 20, 2005
I have a field that requires validation when you press a button as follows:
<form name="form_affiche" enctype = "multipart/form-data" method="get">
.....
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Mar 2, 2010
I'm trying to display an alert if a form field has a value in it. I got this function, and looked at a half dozen others that are virtually identical They ALL claim to work This doesn't and I have no idea what I've got wrong Can somebody tell me what's going on? The function gets called onSubmit, and the Alert "xxx" is displaying.
[Code]...
And while I'm in here asking questions about javascript, can somebody tell me how to do an alert that'll append a value to text? For example... Alert ("xxx" + form.newfile0.value); How do I write this so it actually works?
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Sep 7, 2010
My code seems to work individually it is when I try to do multiple input validation that everything goes wrong.I have tried at the moment to cut it down to just two validation inputs to simplify things, but the more I try and play around with it the worse it seems to get.I know a lot of people post about this but I have tried comparing to other people's codes and solutions and just can't work out what is wrong.
<html>
<title>Sign Up</title>
<head>[code]....
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Oct 14, 2010
I need to do javascript money validation for a field. the condtions are
1) depending on the Locale (not sure if this can be done in JS like US,Germany..)
2) verify if it has $,pound symbol, yen symbol..
3) group the digits either like 00,00,000 or 000,000,000
4) accept 2 digits decimal 000,000.00
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Nov 21, 2011
I want to pop up message incase of validation failure of form field.If I use document.write("name shold be between 2 to 15 char only")it redirects to new page and gives this message..........if I use alert than incase or 2 or more validation fail it gives multiple or one by one alert boxes.I want to to displey my message near to field...............
function validateForm()
{
var x=document.forms["regform"]["email_id"].value;
[code]....
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Sep 26, 2009
Form validationhaving had a number of responses to my initial request for a template for a simple client-side JavaScript form with basic field validation it seems that this simple request is far from simple.so, collating all of the not-so-simple comments that I have had heres a revised request
Is there anywhere that I can find a template JS script that will provide me with a form that has the most basic of fields on it first name, surname, telephone.e-mail etc that comes with field validation? The users will predominantly have hotmail, yahoo etc e-mail addresses Not all of them will have IE web browsers Not all of them will have Outlook Express as their mail client
The form fields MUST BE VALIDATED ON THE CLIENT-SIDE as there is no server-sideaccess and the site that the form is then be posted to will only accept validated field data. Or would it be simpler for someone to provide me with plans for a engine that would provide light-speed.?
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Aug 18, 2010
I have some problems with validating form in javascript.
I have a following HTML code:
What I want in validation is to check all the field in form (check for required fields etc). I want to show user error message in div tag with id='poruka'.
Part of code of function ValidirajFormu:
So, validation works OK, but message is not written in div tag. Only if all fields are correct, form is submited, but there are no error message.
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