JQuery :: [validate] Checking If A Form Is Valid Without Triggering UI Feedback?

Jan 22, 2008

I'm wondering if there is a way to check if a form is valid withouttriggering UI feedback for invalid fields in the form? I tried boththe $('#myform').valid() and validator.form() methods, but they bothtrigger the UI.

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Validate Valid Date Form With Dropdown Boxes?

Jan 20, 2010

I'm working on a website where users can add films to a film directory through a form. One of the fields that can be filled in is a "Release date" field, where a correct release date can be filled in. The form uses dropdown boxes for selecting the date; this is much less confusing in terms of how to format the date than if one would just use a text input field. Here's a screen shot:[URL]..

I've been looking for a Javascript script that does three things:

1) Validate the entered date (i.e. no "31st of February" dates).

2) Check whether the date entered doesn't exceed today's date (so no release date in the future is allowed). This could be combined with PHP to find the today date.

3) If the "I don't know the release date" box is checked, simply skip the whole validation process (no need to validate something that won't be used).

I've been looking for Javascript code that does this, and I found a couple of scripts (like this one) [URL].. /date_validation.asp), but they all make use of text input fields where the user has to input it in a certain format (mm/dd/yyyy et cetera). This is not what I'm looking for, but having zero knowledge of Javascript I am completely unable to write my own code or adapt this code to what I want.

I already figured out the PHP that does all of the above, but I would also very much like to have some code that checks the date before the data is processed so that users who have made a mistake don't have to fill in the whole form a second time.

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Checking For A Valid Date?

Feb 13, 2007

I've been doing a bit of research and haven't found anything too easy. Can anyone point me to an article that has a function written in javascript that validates that a date that has been submitted via a form that it is a valid date?

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Ajax :: Checking If Textbox Is Invalid Or Valid?

Jun 11, 2011

I have a signup form that the user fills out. Among other textboxes, there is an Email textbox, and a Password textbox. These are the two I want to do some Ajax work on.

Right now I'm choosing to go the onblur approach, but is there something better? I'd really like Ajax to go into affect when the user has stopped typing. I know there is key up and key down, but that won't really be too good for what I'm doing. Besides that though, this isn't the real problem.

My problem is this, when the onblur function is called, I want it to return text to a specific element on my HTML page depending on if the fields are valid or not.

Here's the part of my HTML page:

<div id="signuperrorsection">
<span class="error"></span>
<span class="valid"></span>

Anyway, if the email address for example is valid, I want the valid class to get the response. If it's invalid I want the error class to get the response.

Here's my javascript (right now I'm only trying to implement the Email field):

function checkErrors(str)
if (str=="")


Now the way I have this set up now, both classes are going to get the text, correct? Well I of course don't want that. I don't know how to have it set up so that only one class gets the response depending on what the result is.

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JQuery :: New Take On Form Validation, Code Review And Feedback?

Jun 2, 2009

I feel a bit guilty for posting this here as it may be considered as spam, so if you do think that please ignore/delete. For the last couple of days I've been working on a form validation plugin and I've taken a completely different approach (I think, that is) from what already exists. The result is a plugin with less than 300 lines of code that does absolutely no form validation at all. WTF you may very well ask, and I explain: the core of the plugin basically assigns/save 'rules' and callbacks on an object. One way to save/create a rule is when extending the plugin, i.e. adding validation rules, onerror/onsucces callbacks and the like. Another is


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JQuery :: Validate Plugin: Message Being Displayed Even For Valid Elements?

Apr 2, 2011

I am calling a custom method to validate adate input element (this element is an array ). Upon validation, a message is displayed against each date input element, even if the others are valid. If one date element is invalid, all other valid date elements too show the message. How do I make sure that the error message is displayed only for the invalid element?

My formelement is defined as such:
<input name="order_date[ ]" size="10" type="text">
Here's the script:
<script type="text/javascript">


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Immediate Feedback User Form

May 24, 2011

I am looking to create a form in which, there will be multiple choices for the user to choose from. Each choice is a paragraph. The user will read the paragraphs and use the checkbox to choose which paragraph they prefer. There will be three sections of this type of choice field.the end, the user would have chosen three paragraphs, one in each field, in order to complete a one page essay. When it is complete, the user will see their essay, formatted and such and then will have the choice to save or print it out as a .pdf. Formatted just as they saw on their screen.

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JAVA :: Create Feedback Form?

Mar 19, 2010

i want to create a feedback form for my website [url snipped]. as i m using free host it doesnt allow PHP so i want to create it using JAVA. please help me create a feedback form which when submitted automatically send an email to my ID.

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JQuery :: Validate Plugin Only Checking First Required Input?

Jul 11, 2009

the validate plugin at the form at the below URL is validating as true as long as the first required input is valid even though subsequent required fields are invalid. It even gives the invalid class to all fields correctly but the submitHandler function is triggered anyway. I have an alert trigger when the form successfully submits and a little more output for firebug if you want it. [URL]

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JQuery :: Jquery.validate Just Checking The Changed Values?

May 30, 2009

I want to use the great jquery.validate plugin. I have just one question. There are fields which i have to check via ajax calls. I just want to check them if they were changed. I thought about one option that i bind the valid method to the onchange event. I would prefer to call the validations on submit.

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Jquery :: Validate Input Array Form With .validate.min.js?

Nov 9, 2011

How can i validate x inputs with name array like init_date[] with this plugin [URL]

rules: {


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No Submit Until Form Is Valid?

Oct 30, 2010

I am building a custom validator. I don't want any suggestions on using a jQuery framework, i just want to ask a few question on how best to continue.

<script type="text/javascript">
//Validator Strings And Expressions.
var Letters = /^[A-Za-z]+$/;


This is the "on page" validation. This, as you can see calls functions held in an included file onkeyup. This all works well, also the username check ajax call works great. However I have 2 questions that I need to sort before this will work correctly.

1. Using M_USERNAME form as an example. If I start typing in there it will begin validating, which is great, However, if i typed in "matt_thomas" based on the validations, Empty:Pass, ValidChars:Fail, Range:Pass, Check:Pass.

So I know that it isn't empty, it's the correct length and it's not already in the DB. But it fails because of the "_". This should mean that I receive the error i have setup for that failure. But I don't. Because I don't stop on a Fail, I receive the success message of the last function.

So my question is; How Can I stop running any more functions when one fails?

2. Looking at the above code, How can I make sure that a submit will only work when ALL fields validate correctly?

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Print Page If Form Is Valid?

May 21, 2010

If button is clicked, want form to be validated. If the validation passes then bring up print dialogue

I have got the validation (using dreamweaver) working, however if the form is correct , how do I get the print dialogue (window.print()) to appear?

here's the code

<script language="JavaScript" type="text/JavaScript">
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}


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Validating Form With Only Calling Action If It's Valid?

Apr 8, 2010

I'm not sure how to do this because I added a js function to run on a form's submit button's click event. The js function does run, but then no matter what, the php script is called. The alert runs, then it goes to the php script. How can I stop it doing it?

here is js function:

Code JavaScript:
function checkFields(form){
var myForm= document.getElementById(form)


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Validating Form Only Calling Action If It's Valid

Apr 8, 2010

how to do this because I added a js function to run on a form's submit button's click event. The js function does run, but then no matter what, the php script is called. The alert runs, then it goes to the php script. How can I stop it doing it? here is js function:


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JQuery :: Checking Form Value Before Submit?

May 9, 2011

This should be so simple but it isn't working. I just want to check that the value of a form element isn't empty before the form is submitted, if it is empty display an error, if not,submit the form. 101 right?[code]So how do I make the form not submit on fail?

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Jquery :: User Feedback After Success Ajax Fails

Oct 27, 2009

I'm so happy my jquery is dispatching a serverside script (ajax) and it is working I have verified in the database.Now I would like to provide some feedback to the user so first go will be alert, later I will do something snazzy.I am just getting head around jQuery, so please excuse noobness of question. I will think that either one or the other of these alerts below would fire, but neither of them do and nothing also logs in the console.

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JQuery :: Validate A Form Before Sending It With Form Plugin?

Jul 23, 2009

I am currently trying to validate a form before sending it with the jQuery Form Plugin.I can get them working but it is always one or the other, I can't get them both working.


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Form Checking

Apr 1, 2005

I'm building a site that requires user registration, I've already built myself a PHP based user registrationg system, and it already has all the usual checks that are required before letting someone sign up (i.e. that the username is unique, that all required fields are filled, that the two passwords match, that the email address is valid, etc..) using PHP, and so I could ship the system as it is.. but.. I wanted to add some JavaScript checks to it aswell (just to be sure, and to save processor power, etc.. you know how it is). Code:

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Checking Number In Form?

Jul 12, 2010

I'm trying to do this with PHP, although I think it would be easier if I used JavaScript, or maybe the same, I'm not sure.

If a user enters a value into the textbox, I want him to be able to move on only if it's a number, otherwise have text come up next to the textbox saying that he should enter a number.

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Checking Form Value Is Whole Number?

Apr 4, 2009

I have another problem (Im not very handy with javascript).I want to check if a value entered into a form is a whole number. This means it cannot contain a decimal.I wanted to use isNumeric() but realised that allows for decimals.Is there a way I can make sure a value is simply a whole number (0-9)

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Checking The Values Of Two Form Fields

Jul 23, 2005

i have a form and would like to check two fields.
if field 1 containes the letter 'c' and the other field contains
'undefined', then an error should apprear ina box on the screen.

can anyone point me a piece of code ?

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Checking All Items In A Check Box Form

Sep 2, 2003

Is there way to make it to where if someone clicks one check box the rest get checked without knowing the names of the other form names? Meaning if I load a form with a dynamic number of entries, maybe it will show 8 check boxes or perhaps 6 and I wont know the name of the form fields. So is there a way if they click one main check box the rest get checked?

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Checking Select Option Value Without Form Submital

Feb 5, 2006

I am allowing a user to selected a date to schedule an event and it
seems like the best way to do this is with drop down menus for Year,
month, date. However I would like to make it so when you choose a year
and a month the appropriate days for that month show (i.e. 28 days if
you chose February 2006). I can easily do this with a loop if I can
find out what month the user has selected, but I can't seem to find a
way to get that value. Is there a simple javascript solution to this

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Contact Form Error Checking & Validation?

Oct 29, 2010

I'm currently learning many web programming languages and figured this would be a good way to learn more and do things better. I have been working on a contact form for my website. I had originally did the error checking in PHP, but I would like to change it to JaveScript since this is the preferred way. I have it all semi working,It seems like I have some unnecessary variables and such.. I would like to clean it all up as best as possible.


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Prompt The Visitor To Optionally Give Feedback When Leaving The Website?

Mar 17, 2009

I would like to add a prompt when a visitor of my website leaves the site or closes the browser.The prompt should be to optionally give his/her feedback about the site.

--> User can fill a simple form with comment & email id --> In this case, the comments should go to our mail id

--> The user can also leave the site without giving the feedback, saying NO to the prompt.

How can I create this?

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