Implement User Login Function

# Introduction

In this project, you will learn how to implement a user login function using JavaScript and jQuery. This project is designed to help you develop essential front-end development skills, particularly in the area of data dynamization.

## 👀 Preview

The successful results are as follows:


The failure effects are as follows:


## 🎯 Tasks

In this project, you will learn:

- How to fetch user data from a JSON file using jQuery's AJAX functionality
- How to validate the entered username and password against the user data
- How to display appropriate success or failure messages based on the login attempt

## 🏆 Achievements

After completing this project, you will be able to:

- Use jQuery's AJAX methods to make HTTP requests and handle responses
- Manipulate the DOM using jQuery to update the UI based on the login result
- Integrate user input with the login function and handle the login process