JS Form Validation - What To Do When JS Is Switched Off?

Jul 10, 2007

Anyhow... I've written some nice clean functions to do my form validation with (wow, really enjoy writting code in JavaScript!) - thing is that's puzzling me... I'm using 'onsubmit(return fnc_FormValidation(this)' in my form tag...

But what if the user has JavaScript turned off? My form validation won't work at all will it?

How do I get around this problem? Should I just use PHP validation, like I have been for years anyhow..

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Disabling Form Elements - Dropdown To Be Switched Off / Disabled If They Have Radio Button And Vice Versa

Sep 26, 2010

I have a Java form where I need to be able to switch a drop down with a text box using Javascript. The change would be made depending on the radio button choice the user makes. The drop down is the default form element and radio button A is checked by default. So when the user clicks radio button B the text box should appear and if they change their mind and select radio button A the drop down should come back.

Whats making this a little tricky is that I'm doing my form validation using Java via the form element name. So these two will have the same name. I need for the drop down to be switched off/disabled if they have radio button B and vice versa. Is all this doable using javascript?

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I have a form with multiple fieldsets which are visible conditionally. There are three submit buttons "Abandon", "Save" and "Save & Continue". Each button should validate specific controls of the form and submit it. I tried setting "onsubmit: false" and checking for "$('#myForm').valid ()" on click of these buttons., but that validates all controls of the form.

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Apr 1, 2011

I am trying to display validation error messages when form validation fails. Currently it does display the error messages but then disappears straight away. How can I stop the page from refreshing when validation fails? I have return false in my code when validation fails but still having same problem. Currently I have only done the validation for the full name only. The error msg is showed in:

[Code]...

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Jun 21, 2009

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May 13, 2011

There is probably something going on in my environment but when running 1.5.2, jquery runs and behaves fine. When I switched to 1.6.1 immediately the success callbacks of ajax functions did not trigger. I did not see the release notes mention anything new regarding that.
This includes

$.post("url", function() { console.log("will i get printed?"); });

Here is a code sample which fails

$(".foo").click(function(e) {
var link = $(this);
e.preventDefault();[code].....

The callback function for the ajax is never invoked.As part of my application, I have the following ajax setup going

$.ajaxSetup({
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});

Firefox 4.0.1, Ubuntu 10.04, Firebug 1.7

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Apr 25, 2011

I am using a checkbox to turn on and off some labels on a line on a google map, which is working fine if the line is already drawn, using this function:

function distboxclick(labelsbox) {
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for (var i=0; i<distmarkers.length; i++) {
if (distmarkers[i].mLabel != null) distmarkers[i].mLabel.show();
}
} else {
[Code]....

but the thing is that I want the labels to be turned off to begin with and switched on if the box is checked.

[Code]...

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Jul 19, 2009

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Dec 21, 2009

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Mar 3, 2010

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<html>
<body>
<h2>List Switch</h2>[code].....

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Feb 21, 2010

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The JS I have at the top is my form validation code. I am able to do any validating that I need with this "snippet" of code, I have shrank it from my library version just to use for this newsletter. Until now W3C validating was not important now for some reason it is and I am faced with this problem.

I am not a Javascript guy more of a HTML/CSS guy and I can manipulate JS to suit my needs.

<problem> I have tried to make this "snippet" of JS code an external file but receive multiple errors with the JS calling for the FORM NAME as it is not on the same page. The form NAME=NEWSLETTER is another problem, as W3C says I am unable to use attribute "NAME" in this location. <problem> I would like to keep the JS close to how it is now as I have a library to use this JS over and over again.

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Aug 13, 2011

Having a few problems with a form validation script. Its supposed to stop sending the form if key fields are missing, but it just sends them anyway!

Below is the code i use in the header to check for blank fields:

Code:

And now the code i use to action it:

Code:

From what i can see the fields match, it all links up correctly but still it will allow blank forms to be sent.

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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">
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<head>
[Code]...

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I have a working contact form with 3 of the fields requiring validation and they work well. I have added extra fields to the form (StatusClass, Project, CameFrom). These 3 fields return fine but I need to validated them. My problem is that the new fields don't show in the behaviours/validate panel even though they are within the form tag.

<script 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) {
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[Code]...

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I am having serious issues with this script, either it won't execute at all (the form doesn't work, as well as the validation) or the form submits without validating the form.

Here is the current JavaScript I am using.

In the head section

Code:

Code:

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I want to do all of my validation clientside; none serverside. However, going to be tough if I can't get my god damn form to submit. I've been puzzled by this for close to 36 hours straight. I can't see, and I'm going to get some rest and hope that there is some useful insight on my problem when I return.

[Code]...

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I've set up a mock registration form page so I can learn a bit about javascript's form validation. (newbie) I want to try to attempt to style the border of a form field green when the user enters the correct info into the form text field and red on all other fields if the user doesnt enter any info into them. When i test it, enter the right info into the username field, leave the others blank, and hit the submit button it styles the username field green ok but it doesnt make the next fields (password and so on) red. just for testing purposes I've put return false on everything so it displays a message when everythings ok.[code]

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[Code]...

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I have created my second Form to File Web Form but basically I took my First Web Form coding (with the Java Script) and manipulated it so that it suited my needs for my 2nd Form (both are very close to being the same).For some reason, I can't get my Java Script validation to take effect. I was wondering if some one could try to pin point why it isn't functioning properly? Again it could be the most obvious thing, but please bear with me as I learn.Just for a little more clarity, I am going to list the things that I have changed to possibly make it easier to pin point:[code]

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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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I want to loop through all the elements in a form so as to check their values in order to validate the relevant fields, i thought i could get the number of form objects within the form using "formName.length." Then use a loop to go through all the form fields.

It seems formName.length is not working for me ... it's returning "undefined" or "0" values. How could i get the number of form objects within a certain form. Code:

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Jul 23, 2005

I have a text field that I wish to cellect numbers of bird seen. However,
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Oct 15, 2005

I've been playing with this form validation method for a while and have
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1. The validateForm() function doesn't detect when the Min price is
greater than the maximum price.

2. The validateForm() function doesn't call isNumber() on the minBaths,
maxBaths, minBeds, or maxBeds.

3. Despite errors in input and the validateForm() function returning
false, the form is still submitted.

Here's the code:

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Another Form Validation Discussion

Jun 3, 2006

How do people deal with cleint side validation when javascript is turned off? I thought about adding some extra server side validation but I am not sure how to mix the two properly.....

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Sep 3, 2009

I'm using the JQuery Form Validation plugin which, BTW is working great.

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How would I go about doing that?

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My idea is to have a fully AJAX based form that will validate the input, then via AJAX post it, and accordingly to the AJAX response display some messages (no full postback). I have no problem with the AJAX itself, the only issue I face is that my 'form' is not actually a <form> - it is a simple <div> with some textboxes (I am using Asp, and using forms is not so easy here, sine you can not have nested forms).Unfortunately the jQuery validation (http:[url].....) does not work for <div>. Is there any way to use jQuery validation without having to use <form> tag?

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