JS Form Validation Using Functions?

Apr 4, 2011

I have created a simple JS and HTML NAME form validation and checked box as shown (If anyone can help me about the check box a better and easy way to code would be great).I would like to use the functions that I have created - can anyone tell me HOW I can use them please? I tried to use like this..

Code:
var name = document.getElementById('name').value;
if(name(!notEmpty && !isAlphabet)) {

[code]....

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Oct 4, 2010

:confused: when user clicks submit first it should check to see if a name from the dropdown has been selected then it should check to make sure all radio buttons were selected. code to check if a name was selected in the drop down.

<script type="text/javascript">
window.onload=function(){
document.forms[0].onsubmit=function(){

[code]....

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Jan 27, 2011

I have several form in my site, that validate on onsubmit.I call all the validation functions from a file call functions.js.Here is a sample of the code that is working:

<form name="contact" action="contact-insert.php method="post" onSubmit="return checkform()">
<label class='SubHeadlbl' for='TextField1'><?php echo IDS_EFORMNAME?><br></label>
<input type='text' name='dfname' class='text_field' id='dfname1' size='70' maxlength='40'/>
</form>

all the other forms are not working. all have the same structure:

<form name="frm1000" action="frm1000-insert.php method="post" onSubmit="return checkform1000()">
<label class='SubHeadlbl' for='TextField1'><?php echo IDS_EFORMNAME?><br></label>
<input type='text' name='dfname' class='text_field' id='dfname1000' size='46' maxlength='40'/>
</form>

I don't know what is happening only one for work all the others don't.

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[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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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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label.onfocus {
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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">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
[Code]...

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<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 currently have a form named "survey". I found here a JavaScript to validate my form.

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Here is the current JavaScript I am using.

In the head section

Code:

Code:

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[Code]...

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[Code]...

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I took a quick trip through the FAQ's and Tutorials and a few Searches, but didn't see anything that looked like what I was looking for. First warning - I am completely new to Javascript and have been trying to teach it to myself over just the last week via Internet Examples, reading forums like this one and a book I bought.

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[Code]...

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I'm having a problem creating a Javascript form.

Code:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

[code]....

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Validate Function

$("#contactForm").validate({ success: "valid", rules: { name: { required: true, rangelength: [3, 50], }, message: { required: true, rangelength: [3, 300], }, email: { required: true, email: true } } });

[Code].....

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