JQUERY FORM VALIDATION CUSTOM ERROR MESSAGE
$(document).ready(function(){_x000D_
$("#registration").validate({_x000D_
// Specify validation rules_x000D_
rules: {_x000D_
firstname: "required",_x000D_
lastname: "required",_x000D_
email: {_x000D_
required: true,_x000D_
email: true_x000D_
}, _x000D_
phone: {_x000D_
required: true,_x000D_
digits: true,_x000D_
minlength: 10,_x000D_
maxlength: 10,_x000D_
},_x000D_
password: {_x000D_
required: true,_x000D_
minlength: 5,_x000D_
}_x000D_
},_x000D_
messages: {_x000D_
firstname: {_x000D_
required: "Please enter first name",_x000D_
}, _x000D_
lastname: {_x000D_
required: "Please enter last name",_x000D_
}, _x000D_
phone: {_x000D_
required: "Please enter phone number",_x000D_
digits: "Please enter valid phone number",_x000D_
minlength: "Phone number field accept only 10 digits",_x000D_
maxlength: "Phone number field accept only 10 digits",_x000D_
}, _x000D_
email: {_x000D_
required: "Please enter email address",_x000D_
email: "Please enter a valid email address.",_x000D_
},_x000D_
},_x000D_
_x000D_
});_x000D_
});
_x000D_
<!DOCTYPE html>_x000D_
<html>_x000D_
<head>_x000D_
<title>jQuery Form Validation Using validator()</title>_x000D_
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script> _x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.19.0/jquery.validate.js"></script>_x000D_
<style>_x000D_
.error{_x000D_
color: red;_x000D_
}_x000D_
label,_x000D_
input,_x000D_
button {_x000D_
border: 0;_x000D_
margin-bottom: 3px;_x000D_
display: block;_x000D_
width: 100%;_x000D_
}_x000D_
.common_box_body {_x000D_
padding: 15px;_x000D_
border: 12px solid #28BAA2;_x000D_
border-color: #28BAA2;_x000D_
border-radius: 15px;_x000D_
margin-top: 10px;_x000D_
background: #d4edda;_x000D_
}_x000D_
</style>_x000D_
</head>_x000D_
<body>_x000D_
<div class="common_box_body test">_x000D_
<h2>Registration</h2>_x000D_
<form action="#" name="registration" id="registration">_x000D_
_x000D_
<label for="firstname">First Name</label>_x000D_
<input type="text" name="firstname" id="firstname" placeholder="John"><br>_x000D_
_x000D_
<label for="lastname">Last Name</label>_x000D_
<input type="text" name="lastname" id="lastname" placeholder="Doe"><br>_x000D_
_x000D_
<label for="phone">Phone</label>_x000D_
<input type="text" name="phone" id="phone" placeholder="8889988899"><br> _x000D_
_x000D_
<label for="email">Email</label>_x000D_
<input type="email" name="email" id="email" placeholder="[email protected]"><br>_x000D_
_x000D_
<label for="password">Password</label>_x000D_
<input type="password" name="password" id="password" placeholder=""><br>_x000D_
_x000D_
<input name="submit" type="submit" id="submit" class="submit" value="Submit">_x000D_
</form>_x000D_
</div>_x000D_
_x000D_
</body>_x000D_
</html>
_x000D_