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validation

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validation Here is a place to talk and ask questions about HTML, CSS, Javascript, and other client side technologies.

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  #1  
Old December 30th, 2003, 03:14 PM
shnackattack shnackattack is offline
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validation
Hi

Below is my html document with the validation script for the form.
I can't get the bit, that checks the numbers of characters entered, to work. what have i done wrong?

Also, how can i check that each field in the form is checked?

Thanks
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  #2  
Old December 30th, 2003, 03:17 PM
CodeKadiya CodeKadiya is offline
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RE: validation
Quote:
Undifined variable : "Below is my html document with the validation script for the form"


It returned when I run your script :laugh:
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  #3  
Old December 30th, 2003, 08:29 PM
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RE: validation
if what codekadiya said works for everyone please post code and be more specific with your questions.
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  #4  
Old December 31st, 2003, 12:11 AM
CodeKadiya CodeKadiya is offline
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RE: RE: validation

Quote:
if what codekadiya said works for everyone.


kendo,

what do you mean by that? didn't quite understand it.
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  #5  
Old December 31st, 2003, 11:40 AM
shnackattack shnackattack is offline
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RE: validation
Dah, Sorry!

Forgot to post the script.
Here it is:

<html>

<head>
<title>Sign Up Form</title>
<script type="text/javascript" language="JavaScript">

function validate()
{
var str=document.register.email.value
var filter=/^([w-]+(?:.[w-]+)*)@((?:[w-]+.)*w[w-]{0,66}).([a-z]{2,6}(?:.[a-z]{2})?)$/i

var min = 5
var max = 10

submitOK = "True"

if (filter.test(str) == false)
{
alert("Please input a valid email address!")
submitOK = "False"
}


if (document.username.value.length <= min || document.username.value.length >= max)
{
alert("The username must contain 5 to 10 characters!")
submitOK = "False"
}

if (submitOK == "False")
{
return false
}
}
</script>
</head>
<body>

<form name="register"
action="tryjs_submitpage.htm"
onsubmit="return validate()">

First name:
<input type="text" name="firstname">
<br>
Last name:
<input type="text" name="lastname">
<br>
Email address:
<input type="text" name="email">
<br>
Username:
<input type="text" name="username">
<br>
<input type="submit" value="Submit">
</form>

</body>

</html>




//the below part of code is from the above script.

if (document.username.value.length <= min || document.username.value.length >= max)
{
alert("The username must contain 5 to 10 characters!")
submitOK = "False"
}

I can't get the bit (part of code above), that checks the numbers of characters entered, to work. what have i done wrong?

How can i check that each field in the form is filled in? so that if the field is empty, the code will display an alert to fill in the empty field.


Thanks
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  #6  
Old December 31st, 2003, 02:52 PM
Ashkhan Ashkhan is offline
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RE: validation
I modified your validate function a little. It should work now.


function validate()
{
var str=document.register.email.value
var filter=/^([w-]+(?:.[w-]+)*)@((?:[w-]+.)*w[w-]{0,66}).([a-z]{2,6}(?:.[a-z]{2})?)$/i

var min = 5
var max = 10

submitOK = true

if (filter.test(str) == false)
{
alert("Please input a valid email address!")
submitOK = false
}


if (document.register.username.value.length <= min || document.register.username.value.length >= max)
{
alert("The username must contain 5 to 10 characters!")
submitOK = false
}

if (document.register.firstname.value.length == 0)
{
alert("The firstname is blank!")
submitOK = false
}

if (document.register.lastname.value.length == 0)
{
alert("The lastname is blank!")
submitOK = false
}

alert(submitOK);
return submitOK;
}
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  #7  
Old December 31st, 2003, 11:50 PM
nawlej nawlej is offline
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RE: RE: validation

Quote:
Undifined variable : "Below is my html document with the validation script for the form"

It returned when I run your script :laugh:


hehehehehe. thanks for putting a smile on my face while im stuck at work!
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  #8  
Old December 31st, 2003, 11:55 PM
CodeKadiya CodeKadiya is offline
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RE: RE: RE: validation
Quote:
hehehehehe. thanks for putting a smile on my face while im stuck at work!


Cool... What else did I have to say when there was nothing "below"??!!!? :laugh:
php Code:
Original - php Code 
  1.  
  2. <?
  3. if(isset($htmlCode))
  4. {
  5.   echo "I will try to make a solution.";
  6. }
  7. else
  8. {
  9.  echo "Undifined variable : "Below is my html document with the validation script for the form"";
  10. }
  11. ?>
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  #9  
Old January 3rd, 2004, 04:10 PM
Anonymous Anonymous is offline
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RE: validation
Thanks for help.
It works!
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  #10  
Old October 28th, 2005, 10:11 AM
Anonymous Anonymous is offline
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RE: RE: validation
if(!/^w[w.-]+w@w([w.-]+w.)+[a-z]{3,5}$/i.test(email.value))
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