jQuery Smart Password Validator

Introduction

In today's digital age, password security is a top priority for many websites and applications. One common problem that arises is the difficulty in validating user passwords effectively. jQuery Smart Password Validator is a plugin that simplifies this process by providing a comprehensive and customizable password validation system. In this tutorial, we will guide you through the installation, configuration, and usage of this powerful plugin.

What is jQuery Smart Password Validator?

jQuery Smart Password Validator is a lightweight and flexible password validation plugin for jQuery. It allows you to define a set of rules to validate passwords based on complexity, length, and character sets. The plugin provides a range of options for customization, making it easy to tailor the validation to your specific requirements.

Installing the Plugin

To use jQuery Smart Password Validator, you need to download and include the plugin in your HTML file. Here's how to do it:

1. Go to the plugin's GitHub page and download the latest version of the plugin.
2. Extract the plugin files from the downloaded zip file.
3. Create a new folder in your project directory and add the plugin files to it.
4. Include the plugin file in your HTML file by adding the following script tag:

   <script src="path/to/jquery.smart.password.validator.js"></script>

   Basic Usage

To use the plugin, you need to create a password input field and wrap it with a div element. Then, initialize the plugin by calling the passwordValidator method and passing the password input field as an argument.

Here's an example:

<input type="password" id="password" />
<div id="password-validator"></div>

<script>
  $(document).ready(function() {
    var passwordInput = $('#password');
    var validator = passwordValidator('#password-validator', {
      // options go here
    });
  });
</script>

Options

The plugin provides a range of options that you can customize to fit your needs. Here are some of the most common options:

• minLength: The minimum length of the password.
• maxLength: The maximum length of the password.
• minUpperCase: The minimum number of uppercase letters in the password.
• minLowerCase: The minimum number of lowercase letters in the password.
• minNumbers: The minimum number of numbers in the password.
• minSpecialChars: The minimum number of special characters in the password.
• blacklist: An array of characters that are not allowed in the password.

Here's an example of how to set the options:

var validator = passwordValidator('#password-validator', {
  minLength: 8,
  maxLength: 20,
  minUpperCase: 1,
  minLowerCase: 1,
  minNumbers: 1,
  minSpecialChars: 1,
  blacklist: ['~', '!', '@']
});

Methods

The plugin provides several methods that you can use to validate passwords. Here are some of the most common methods:

• validate(): Validates the password based on the defined rules.
• isValid(): Returns a boolean value indicating whether the password is valid.
• getErrors(): Returns an array of error messages for the password.

Here's an example of how to use the methods:

validator.validate();
if (validator.isValid()) {
  alert('Password is valid!');
} else {
  alert('Password is not valid: ' + validator.getErrors());
}

Conclusion

In this tutorial, we have covered the installation, configuration, and usage of the jQuery Smart Password Validator plugin. With its customizable options and flexible validation rules, this plugin makes it easy to create a robust and effective password validation system for your website or application.