Help Need In Making Assisgnment JavaScript

**sahil00150** · 28th Apr 2012, 01:24 PM

i never tried reg ex
The only thing which is remain is character counting how much letter submitted in input box.

alert box must show counted characters + valid or invalid email + message

Code:

<html>
<head>
<script type="text/javascript">
function CheckMyEmail()
{
var x=document.forms["myForm"]["email"].value;
var value=("BC102034568");
var at=x.indexOf("@");
var dot=x.lastIndexOf("vu.edu.pk");
if (at<1 || dot<at+1 || dot+2>=x.length)
{
alert( x + " is Not your valid VU e-mail address");
return false;
}
else
{
    if(x=="BC102034568@vu.edu.pk")
        {
        alert( x + " is your valid VU e-mail address");
        return false;
        }
else
{
alert( x + " is not an valid email address");
return false;
}
}
}
</script>
</head>

<body>
<form name="myForm" action="example.html" onsubmit="return CheckMyEmail();" method="post">
Email: <input type="text" name="email">
<input type="submit" value="Submit">
</form>
</body>

</html>

you again forgot to make return function well i done it.

if someone submit more then 40 characters email the alert box show email it too much large of some one enter minimum characters like 2 or 3 character alertbox must show email characters are less.

sahil00150 Reviewed by sahil00150 on 28th Apr 2012. Help Need In Making Assisgnment JavaScript Hello i got assignment from my university i am not able to make it properly doing some mistakes well got this assignment Make a form in HTML document containing only one field named as Email and one Submit Button. Write your own JavaScript function to validate the email address. The Validation should be as follows: It must accept only your VU Student email address i.e; it must not accept any other student’s VU email address. Rating: 5

**soft2050** · 28th Apr 2012, 01:37 PM

Originally Posted by sahil00150

i never tried reg ex
The only thing which is remain is character counting how much letter submitted in input box.

alert box must show counted characters + valid or invalid email + message

Code:

<html>
<head>
<script type="text/javascript">
function CheckMyEmail()
{
var x=document.forms["myForm"]["email"].value;
var value=("BC102034568");
var at=x.indexOf("@");
var dot=x.lastIndexOf("vu.edu.pk");
if (at<1 || dot<at+1 || dot+2>=x.length)
{
alert( x + " is Not your valid VU e-mail address");
return false;
}
else
{
    if(x=="BC102034568@vu.edu.pk")
        {
        alert( x + " is your valid VU e-mail address");
        return false;
        }
else
{
alert( x + " is not an valid email address");
return false;
}
}
}
</script>
</head>

<body>
<form name="myForm" action="example.html" onsubmit="return CheckMyEmail();" method="post">
Email: <input type="text" name="email">
<input type="submit" value="Submit">
</form>
</body>

</html>

you again forgot to make return function well i done it.

if someone submit more then 40 characters email the alert box show email it too much large of some one enter minimum characters like 2 or 3 character alertbox must show email characters are less.

PHP Code:


if (x.length >= 40) {
alert("Too much");
} else if(x.length =< 3) {
//ahh;
alert("Too Less");
} else {
//ok;
}

Help Need In Making Assisgnment JavaScript

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