jQuery validation plugin makes easy form validation,It offering plenty of customization options.
<!DOCTYPE html>
<html lang="en">
<head>
<title>Form Validation by jquery validation plugin</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
label.error{
color:red;
}
</style>
</head>
<body>
<div class="container-fluid">
<h2>Form Validation by jquery validation plugin</h2>
<form class="cmxform" id="signupForm" method="get" action="">
<fieldset>
<legend>Validating a complete form</legend>
<p>
<label for="firstname">First Name</label>
<input id="firstname" name="firstname" type="text">
</p>
<p>
<label for="lastname">Last Name</label>
<input id="lastname" name="lastname" type="text">
</p>
<p>
<label for="username">User Name</label>
<input id="username" name="username" type="text">
</p>
<p>
<label for="password">Password</label>
<input id="password" name="password" type="password">
</p>
<p>
<label for="confirm_password">Confirm Password</label>
<input id="confirm_password" name="confirm_password" type="password">
</p>
<p>
<label for="email">Email</label>
<input id="email" name="email" type="email">
</p>
<p>
<label for="agree">Please agree to our terms and condition</label>
<input type="checkbox" class="checkbox" id="agree" name="agree">
</p>
<p>
<input class="submit" type="submit" value="Submit">
</p>
</fieldset>
</form>
</div>
</body>
</html>
Javascript
<script src="https://code.jquery.com/jquery-1.11.1.js"></script>
<script src="http://cdn.jsdelivr.net/jquery.validation/1.14.0/jquery.validate.js"></script>
<script type="text/javascript">
$(document ).ready(function() {
$("#signupForm").validate({
rules: {
firstname: "required",
lastname: "required",
username: {
required: true,
minlength: 2
},
password: {
required: true,
minlength: 5
},
confirm_password: {
required: true,
minlength: 5,
equalTo: "#password"
},
email: {
required: true,
email: true
},
agree: "required"
},
messages: {
firstname: "Please enter your first name",
lastname: "Please enter your last name",
username: {
required: "Please enter a user name",
minlength: "Your user name must consist of at least 2 characters"
},
password: {
required: "Please provide a password",
minlength: "Your password must be at least 5 characters long"
},
confirm_password: {
required: "Please provide a password",
minlength: "Your password must be at least 5 characters long",
equalTo: "Please enter the same password as above"
},
email: "Please enter a valid email address",
agree: "Please accept our policy",
}
});
});
</script>
