Form Check
Apr 22, 2005
I'm trying to validate forms by checking to see if the user fills in whatever fields are required before they can continue. It does not work at all. Please help me. I do not know what I am doing! :'(
<script language="JavaScript" type="text/javascript">
<!--
function check(form){
var regex = required-[a-z0-9]*;
for(i = 0; i < form.length-2; i++){
if(regex.test(form.elements[i].value){
alert("Missing data for " + form.elements[i].name);
form.elements[i].focus();
return;
}
}
return;
}
//-->
</script>
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Jul 18, 2009
I have an .asp page for my customers which does just accepts e-mail information and passes this information to another .asp page. But before passing the info, a javascript checks whether the entered e-mail does match some certain rules. Rule1: If any input has been made at all, Rule2: If an "@" sign is there, if the"." is there and so on. upon pressing the submit button, the first rule works but the second rule does not. Could not figure it out why.
[Code]...
It is the function control() which validates the e-mail field. But it just validates whether the e-mail has been entered or not. The second check (with the @ sign) is not being made.
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Apr 26, 2010
I currently have a form named "survey". I found here a JavaScript to validate my form.
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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Nov 18, 2011
I want to get the code ( I cant write it Im still a newbie ) to check a form user/pass and trigger another hidden form.
Heres what going on:
Have created a form, Form 1 Login: it has a username and pass fields. It shares the page with a Members Login form.
I want javascript to check the user/pass on Form 1 Login against a user/pass I assign. I assume I can assign one in the Javascript code.
The script does not send the form to the server, it just checks to see that the user/pass agrees with what Ive assigned.
The script, if the user/pass is the same as I assigned, triggers a Registration form to pop up that Ive hidden with CSS left:-999em.
Now the script has fulfilled its function, its done. But heres what continues and Adobe BC does this part.
User fills out the pop up Registration form with any user/pass, their valid email and name.
Clicks Submit and the form sends the New user a new personal pass and new username via email.
User adds New user/pass to Members form and is allowed into the site.
This is a round about way but, I can not use php or server side in this process, BC does not allow server side only client side. So Im doing a work around. I know someone could find the Javascript even in a js folder. Tight security is not an issue. I researched this for weeks and BC tells me it will work with their system...I just dont know how to write it.
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Apr 30, 2006
How do you detect that a form element has been changed? This thread:
http://groups.google.com/group/comp...25a82c9be127790
suggests that you attach onChange event handlers to every form element,
and when the handler fires you update a global 'isChanged' variable.
This technique seems to be a bit messy to me (I have many form
elements), I was thinking about storing the original form object in a
javascript variable when the body loads (in the bodie's onLoad event
handler), and upons submission, doing a javascript equality comparison
with the current form object. If nothing has changed, then the two
objects should be equal, right?
if(oldObject == document.getElementById('form'))
{
alert('has changed!');
}
Would this work?
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Jul 23, 2005
Tell me how to check the value of a textbox in a form,
1, the value must be only a positive number ( not 34ax43) , for input a stock number of product
2, the value must be positive komma and two digits max (eg 150,20) , for input price value
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Jan 1, 2010
Here is my Javascript / HTML:
javascript Code:
Original
- javascript Code
[code]....
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Apr 24, 2009
I need a simple script that will check onclick if the user has entered something into the input text form. If they haven't then just alert that you must enter something to search for a term. I had something like this before, but the problem I was having was that it was alerting but right after you click okay it would continue on to the next page... Which kinda make the whole alert thing pointless... Also, I'm about sick in tired of not knowing JavaScript, where is some great sites to get my learn on?
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Jun 11, 2011
I need to change the code below so that it will check to see if there is a value for the model variable, its a select dropdown in a form. If there is no value then I don't want the var model to be included in the url part.
I also need to check to see if the var pics is checked (its a checkbox) if its checked then i want to include it, if its not checked then again I need to miss it our from the url part.
Code JavaScript:
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Sep 11, 2003
I would like to do a simple check if a radio box has been selected.
The form doesn't select any radio box by default, because I don't want to influence the users choice or let them submit the box at all without doing anything.
The form is a simple 5 star rating which means there are 5 radio boxes and a submi button.
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Jul 13, 2004
I currently use a small JavaScript code to check if the required form fields were filled out, however now I'm looking for a script that can do that and also check the contents of a text field, and if certain words are in that text field, to not allow the form to be submitted.
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Oct 13, 2006
i need a form check which:
displays error messages in a new window displayed in _self or _blank or etc... not in an alert box AND stops the cgi from sending data forward to my inbox (i'm not sure if it stops submit when just checked with javascript: if form.field.value='xyz')...
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Jul 19, 2010
I need to verify that the email address is not a free account. I will have an array that contains a list of free email providers. ie. gmail yahoo hotmail.I want to compare this list to what the user entered. and if there email address contains one of the values from the array then return false. I am a php dev so excuse the crude code.
Code:
var freeEmail=new Array("gmail","yahoo","hotmail");
if (form.email_address.value (contain a value from freeEmail) {
alert( "Please no free email accounts." );
[code]....
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Feb 14, 2011
I have this form
<form method="post" action="urlymsite">
Name<input name="name"> <br />
Autor <input name="autor"><br />
telephone<input name="telephone"></td><br />
[Code].....
I would like to cycle all the input fields of the form and see if there is at least input fields empty.
I would like to use the .each(),avoiding the control field to field,
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Apr 26, 2010
I don't know why it's not running the validation js first upon "submit", it goes straight to the "thankyou" page specified by the php (let me know if php needs to be posted). I've check my syntax over and over, I can't see anything.
I'm trying to have a "tell-a-friend" form where one requires to enter his/her first name, surname, email and a friend's email � with option of forward to to other 4 friends (total 5).
Here are the fields I need to validate:
My js (validationB.js) file:
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Aug 4, 2007
I have an image validation script that im working on. This is what i have so far...
<script type="text/javascript">
<!--
function validate_form ( )
{
var imgcheck;
valid = true;
if ( document.editavatar.avatar.value == "" )
{
alert ( "Please Enter an Image Url!" );
valid = false;
}
return valid;
}
//-->
</script>
How can i add to that so that it checks if the avatar field has the words png, jpg, gif and bmp, and if it doesnt, valid will be false. So in other words, if it does contain png, jpg etc it will return valid.
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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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Jan 8, 2010
I am putting some validation on some forms at work. The users have asked to put something in place to make sure that if you enter something in on field that you must enter something in the corresponding field.
Example : Lets say there is a Company field and a Position field. Well they would like that if you enter a Company you should enter a Position and the other way where if you enter a Position you just enter a Company.
Ok so thats easy enough I did something like the following.
if((form.Company1.value=="") && !(form.Position1.value=="")){
alert("Enter a Company into the Company field for row 1 or enter N/A");
form.Company1.focus();
return false;
}
Well now they want a message box to give the user the option it ignore that they have a blank field, and more or less want a �hey just to let you know, you didn�t put anything here
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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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Oct 12, 2007
I have a form with many fields... the fields are getting values from a
database.
I've tried onunload to just submit the form regardless of changes or
not but onunload and submit isn't working for me. Now I need some
type of event that will fire when a user tries to navigate from a page
to check to see if anything has changed and if so prompt them
(confirmation) to take action or not.
I know that the reset button only takes away anything that was added
to fields after the load so there must be some way to use the logic of
reset to simply check to see if fields have changed, right?
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Apr 10, 2011
I have a form that is a regular form but in some cases it might be empty.
<form id="myform"></form>
or it might have some elements
<form id="myform"><input name="X" value="X" /><input name="Y" value="Y" /></form>
What is the proper way to count or check if the form has say inputs, select, textarea, etc..., or check if it's empty?
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Jan 12, 2011
I already have the remote check working and it works fine. But the catch is that I want to allow submission even if my check returns false.
All I really want is to show a warning if the remote check returns false.
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Jun 24, 2010
I have checked over my code several times and cannot find what I've done wrong with my first script, which is to check/uncheck all checkboxes in a html form. Nothing is checking or unchecking, and I am seeing the "Error on this page" in IE whenever i first click one of the two buttons. Here are the steps I have taken1. I have imported the jQuery library which I have just downloaded (1.4.2 development version, 155kb) with the following code:
< script
type
= "text/javascript"
[code]....
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Mar 1, 2010
I have an issue with a form I am creating, I have many check boxs where at least one of the 2 needs to be selected and the final one has to be selected for the submit button to become active
This is the javascript I have atm to do this:
I cant seem to get this to work, forgetting about the 3rd checkbox for now
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Jun 1, 2011
I have a form with a text box where users can enter a 10 digit code. The 10 digit code can be just numbers/letters (eg. 0123456789 or abcdefghij) or it can be a mixture (eg. 0a1b2c3d4e). What I would like is if the user enters a code which is a mixture of numbers and letters then the submit url goes to mixed.php If the user enters a code which just has letters or numbers then the submit url goes to sole.php change the url from selecting radio buttons.
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May 9, 2009
I found something here, but I'm not good at javascript, and i don't know which part of the code is the right! I need only for Checkboxes!
[url]
I need something like: onclick="check_if_at_least_one_is_selected()"
There is only one <form></form> and all checkboxes are same type...
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