Validate کردن فرم
#1
Note 
کدی عالی برای validate کردن فرم

کد کامل:
[HTML]
<!DOCTYPE html>
<html>
<!-- Softafzar.net -->
<head>
<title>Form Validation</title>
<meta charset="utf-8" />
<script type="text/javascript">
var ck_name = /^[A-Za-z0-9 ]{3,20}$/;
var ck_email = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
var ck_username = /^[A-Za-z0-9_]{1,20}$/;
var ck_password = /^[A-Za-z0-9!@#$%^&*()_]{6,20}$/;

function validate(form){
var name = form.name.value;
var email = form.email.value;
var username = form.username.value;
var password = form.password.value;
var errors = [];

if (!ck_name.test(name)) {
errors[errors.length] = "Enter Correct Name .";
}

if (!ck_email.test(email)) {
errors[errors.length] = "You must enter a valid email address.";
}

if (!ck_username.test(username)) {
errors[errors.length] = "You valid UserName no special char .";
}

if (!ck_password.test(password)) {
errors[errors.length] = "You must enter a valid Password ";
}

if (errors.length > 0) {

reportErrors(errors);
return false;
}
return true;
}
function reportErrors(errors){
var msg = "Please Enter Valide Data...\n";
for (var i = 0; i<errors.length; i++) {
var numError = i + 1;
msg += "\n" + numError + ". " + errors[i];
}
alert(msg);
}
</script>
</head>
<body>
<form method="post" action="a.php" onSubmit="return validate(this);" name="form">
<input type="text" id="name" name="name" value="" placeholder="Enter your name" />
<input type="email" id="email" name="email" value="" placeholder="Enter your e-mail address" />
<input type="text" id="username" name="username" value="" placeholder="Enter username" />
<input type="password" id="password" name="password" value="" placeholder="Enter password" />
<input type="submit" />
</form>

</body>
</html>
[/HTML]

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