jQuery Form Validation Custom Error Message

jQuery form validation custom error message; Through this tutorial, i am going to show you how to validate a form data and add custom error message on client side before send/submit the form data on server using the jQuery form validator plugin.

jQuery Form Validation Custom Error Message

The jQuery provide several plugins for validating a diffrent diffrent types of form data on client side and also add error message using the plugin. In this form validation tutorial, we will discuss advance form validation using jQuery validator() method and add custom error message using the jquery plugin.

  • Create html form
  • Include jQuery cdn in form
  • Implement jQuery validation rules with Error Message

Create html form

Create one html file and then create some fields like firstname, lastname, email, phone number, password; as shown below:

<!DOCTYPE html>
<title>jQuery Form Validation Using validator()</title>
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script> 
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.19.0/jquery.validate.js"></script>
    color: red;
  button {
    border: 0;
    margin-bottom: 3px;
    display: block;
    width: 100%;
 .common_box_body {
    padding: 15px;
    border: 12px solid #28BAA2;
    border-color: #28BAA2;
    border-radius: 15px;
    margin-top: 10px;
    background: #d4edda;
<div class="common_box_body test">
  <form action="#" name="registration" id="registration">
    <label for="firstname">First Name</label>
    <input type="text" name="firstname" id="firstname" placeholder="John"><br>
    <label for="lastname">Last Name</label>
    <input type="text" name="lastname" id="lastname" placeholder="Doe"><br>
    <label for="phone">Phone</label>
    <input type="text" name="phone" id="phone" placeholder="8889988899"><br>  
    <label for="email">Email</label>
    <input type="email" name="email" id="email" placeholder="[email protected]"><br>
    <label for="password">Password</label>
    <input type="password" name="password" id="password" placeholder=""><br>
    <input name="submit" type="submit" id="submit" class="submit" value="Submit">

Include jQuery cdn in form

Include jQuery library cdn plugin into html form; as shown below:

<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script> 
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.19.0/jquery.validate.js"></script>

Implement jQuery validation rules with Error Message

Implement some validation rules with custom error message in script tag for validating a form data before send to the server; as shown below:

    // Specify validation rules
    rules: {
      firstname: "required",
      lastname: "required",
      email: {
        required: true,
        email: true
      phone: {
        required: true,
        digits: true,
        minlength: 10,
        maxlength: 10,
      password: {
        required: true,
        minlength: 5,
    messages: {
      firstname: {
      required: "Please enter first name",
     lastname: {
      required: "Please enter last name",
     phone: {
      required: "Please enter phone number",
      digits: "Please enter valid phone number",
      minlength: "Phone number field accept only 10 digits",
      maxlength: "Phone number field accept only 10 digits",
     email: {
      required: "Please enter email address",
      email: "Please enter a valid email address.",

Demo for jQuery Form validation with Error Message

jQuery Form Validation Using validator()


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