Ajax :: Jquery Validating Form After Submit Is Clicked - Return False
Jun 19, 2010
im trying to learn how jquery ajax function works by validating some form after submit is clicked.
[Code]....
the alert didnt pop until i added the registration_ok = false; right before, so im assuming it has something to do with the ajax functions's scope.... why does the ajax function not affect the registration_ok variable outside the function? and how should i solve this problem? any better way of doing it?
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Jul 18, 2009
This is my first post here, but reading through the others I'm sure someone will be able to help me.I trying to build a client-side validator before running my validation in php. I have a <form onSubmit="function(login name, login password)"> type deal and in my function, I'm returning false if certain criteria aren't met.
the form's action runs it back to the current URL where I have a php validator activated if the post data is recognized. As of now, both are running, which tells me the form is being submit regardless of that return false.
[Code]...
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Feb 6, 2010
I'm working through this example in a book I'm reading. I can't get the "return false" to stop the form from submitting, when the text input is empty.
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">
<head>
[Code]....
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Aug 25, 2010
I'm running into a bit of trouble while trying to cancel the submit of a form. I've been following this tutorial (http:[url]....) (even though i'm not making a login script), and it seems to be working for him.Here's my form:
<form action="index.php" method="post" name="pForm">
<textarea name="comment" onclick="if[code]....
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Aug 10, 2009
Here is my handler:
Here is my button:
How do i trigger a validate when the submit button is clicked?
All of my validations work while I am working with the form but the button does zilch.
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Jan 16, 2008
I am building a registration form and have some javascript that checks the forms user input. This is all activated when the submit button is pressed and the forms onSubmit event is called and runs a function.
I have tested me functions and even when it returns false the form still submits?
Im not sure how i can stop it submiting even if it returns false.
Then onSubmit called this function:
function subForm(theform){
if(checkForm(theform)==false){
alert("it is false");
return false;
}
alert("it is true");
return true;
}
checkForm is working and is throwing alerts when certain criteria is not correct in the form, and then i will get an alert "it is false" so i know that the script is running until then, but the form will still submit?
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Aug 1, 2009
I am currently trying to get an action on the click of a link, and not make it follow the link, just carry everything out in jQuery. Now, if the AJAX request isn't there, it will work as supposed too, but with the AJAX request, it will follow the link, not taking any notice for the return false.
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Mar 26, 2009
I have run into this problem before, but i cant quite remember how i fixed it. Here is a simple validation check:
<script type="text/javascript">
function validateMe(){
if (document.form1.LoanAmount.value == '') {
[code]....
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Jul 29, 2011
This is a simple email form validation, with javascript. I first coded the basic 'have you filled in the field" stuff and that worked great, the error message poped up and the form would not submit until corrected.I then put together a email validation function using reg ex, and things went slightly awry. The reg ex works, so hat is cool, but after catching an invalid email address, it submits the form anyway.Following the logic, you can see that the form gets validate, then the email address is validated, then the form validation function returns true, which is probably why it is submitting with the bad email address.I never seen an example of this, but can you put a called function into an if statement? So it would go: validate the form, then if the email validation function returns true, go ahead and submit.Anyway, here is the code:
JS code:
function validateForm ()
{
[code]....
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Jan 20, 2009
I have a small search appliance on my site that uses the following HTML:
Code:
<form action="/search/search.aspx" method="post" onsubmit="siteSearch(this);">
<input name="q" id="searchbox" type="text" value="Search...">
<input type="hidden" id="search-url" value="/search/search.aspx">
<input type="submit" class="search" name="submit" id="search-submit" value="GO">
</form>
[Code]...
I am attempting to create a stop in the form action if someone leaves the input blank or with the predefined "Search" however, once the alert pops up and a user presses "OK" it still attempt to submit the form.
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Jul 15, 2009
I am using the Jquery validationss plugin for my form validations. NowI have a situation where I have two submit buttons in a single form(say button A and button B). For button A, I want to run validationsbut for button B I don't want to run the validations and submit theform without validating.. How can i do this?
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Jul 13, 2011
In the following .submit function, I am attempting to grab the value of the selected option in the facilityCodes dropdown list when I click the submit button and then during the submit function,select the facilityCode again in the dropdown list when the page reloads and then disable the list so that the user cannot change it.However,the situation is when I reload the page after the submit button is clicked the dropdown defaults to the first option and the list is enabled.I apparently am not understanding how.submit works so that I'm selecting the option I'm defining in my code below and then disabling the list AFTER the page reloads due to an error on the page. My question is how can I accomplish this?Here is my code:
$(function() {
$("#ARTransferForm").submit(function() {
var msgsCount = 0;[code]....
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Aug 8, 2010
Have an issue with using $.ajax for requests. If I set async: false it works fine, but sometimes gets cached content. If I add in cache: false then async doesn't work anymore, the next ajax request gets called before the first one finishes.
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Mar 9, 2010
I would like to code a drop down navigation where the top tier of navigation links is NOT clickable, only the child elements. I am wondering how I would go about coding this using Jquery.
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Aug 16, 2011
I have two linked select field. when i change the first field, it populate the second one by a list loaded in ajax.
I would return false on my select if the second list loaded is empty.
$.getJSON(
'/ajax/cours',
{
categorie: $("#categorie").val()
[Code].....
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Sep 1, 2010
Probably an easy one, I have the following code...
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However whenever I click on the link it still goes to the top of the page.
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Jun 7, 2010
I'm trying to build my own form validator using jQuery but I'm having an issue. The form throws the alert, but still submits!
Here's my code:
Code:
$(document).ready(function(){
function validateForm(){
$('.req').each(function(){
[code].....
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Jun 14, 2011
Why do we place 'return false;' at the end of jquery functions?
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Jun 10, 2011
Seems to me this would be a fairly common situation (if not commonly asked and answered), but the posts I did find about this subject didn't seem to
Given this basic code:
<form id="form" action="">
<input id="submit1">
[code]....
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Mar 21, 2010
I am using a validating form plug in for jquery and I have a question about it. Let this function will be an ex.:
[Code]....
'e' is the name attribute of one form element, but can I choose more elements using jquery (CSS) rules like this: input[name*=e] or how can I do something similar?
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Jul 12, 2009
I've been trying to make my very ajaxy site more SEO friendly, lots of the returned actions from ajax can be retrieved as a full page, so it's just a matter of exposing the links. Up until now I've had 'span' tags which I have now changed to 'a href' so that the search engines will follow them. I've added the following code so that if the event should send an ajax request, it does that, or if it should go get the full page, it does that.
<code>
jQuery('a.mixContent').livequery('click',function(){
var vtid=jQuery(this)..parent('div.controller').parent('li').attr
('id');
alert(eventid);
if(eventid!=null){
clicked(getSelected, eventid);
} else {
[Code]...
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Jun 7, 2010
i've a div that contains a form, each of these elements have their own id; the structure is something like this
<div class="art-Block-body">
<div class="art-BlockHeader">
<div class="art-header-tag-icon">[code].....
I'd want that: at the first user's click on the #register div, the div #registerForm become visible, it should remains visible also when the user click the submit button within and it should disappear if the user click a second time on the #register.I partially solved my problems with this:
$(document).ready(function(){
$("#registerForm").css("display","none");
$("#register").toggle(function(){[code]....
but i can't resolve the submit issue: whenever a user submit the form in the #loginForm div, the page refresh and the main div return invisible.
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Oct 30, 2009
This works fine in Firefox, but Internet Explorer ignores the return false and just follows the link.
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Jan 8, 2010
I have the following code
Code:
$('a').live( 'click', doIt() ) ;
...
function doIt() { return false }
However, the 'return false' does nothing. If I click a link the event is not stopped and the page it points to is loaded!
So, what could I do, given the above code, to stop the click event ?
UPDATE: I inspected jQuery object and changed doIt to
Code:
function doIt() {
$.Event.preventDefault();
$.Event.stopPropogation() ;
}
Does not produce errors, but didn't stop the event, but I feel I'm getting closer
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Sep 8, 2010
I'm taking over an almost-finished project. The form 'grows' by adding certain includes and/or fieldsets based on radio button selection. When 'yes' is selected the from does submit, and shows the new fieldset, but the user would need to scroll back down to where they selected the radio button. I'm sure that what I want to do is submit the form then move down to an anchor, but I just can't seem to make it work. Here is the code, including the anchor-
<a name="name="a1" id="a1" href="#a1"></a>
<p style="background: #F5F5DC; color: black; font-size: 1.0em; ">
<br>
<img src="spacer.gif" alt=" " width="10" height="1"/><?= $REQUIRED ?>
<!-- using "this.form.submit()" instead of "document.form.submit()" to avoid error -->
<b>Does the vendor have an existing state contract for these services?</b>
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I'm frustrated and at a loss. Any idea of how I can solve this seemingly simple problem?
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Oct 13, 2005
Do you have to use the onClick attrib to have
return false
work?
i.e. is it possible to do
<a href="javascript:somefunct();return false;">
and have the page not reload with 'false' or the browser not complain about
illegal use?
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