Harshil Chovatiya - Day 47: Innovative Project - Building a Task Scheduler with JavaScript
Introduction:
Welcome to Day 47, where we embark on an innovative project to build a task scheduler using advanced JavaScript concepts. This project will not only reinforce your understanding of closures, prototypes, destructuring, and the spread/rest operator but also challenge you to apply these concepts in a real-world scenario.
Project Overview:
We'll create a task scheduler that allows users to add, remove, and update tasks. Each task will have a title, description, and due date. The project will utilize closures for encapsulation, prototypes for object-oriented organization, destructuring for elegant data extraction, and the spread/rest operator for flexible function parameters.
Project Structure:
Task Scheduler/
│
└── index.html
└── styles.css
└── app.js
Detailed Steps:
1. HTML Structure (index.html):
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Task Scheduler</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<div id="app">
</div>
<script src="app.js"></script>
</body>
</html>
2. Styling (styles.css):
body {
font-family: 'Arial', sans-serif;
margin: 0;
padding: 0;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
background-color: #f0f0f0;
}
#app {
max-width: 600px;
width: 100%;
background-color: #fff;
padding: 20px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
3. JavaScript Implementation (app.js):
// Task constructor using prototypes
function Task(title, description, dueDate) {
this.title = title;
this.description = description;
this.dueDate = dueDate;
}
// Task scheduler application using closures
const taskScheduler = (() => {
// Private array to store tasks
const tasks = [];
// Public methods
return {
addTask: (title, description, dueDate) => {
const newTask = new Task(title, description, dueDate);
tasks.push(newTask);
console.log(`${newTask.title} added to the task list.`);
},
removeTask: (title) => {
const index = tasks.findIndex(task => task.title === title);
if (index !== -1) {
const removedTask = tasks.splice(index, 1)[0];
console.log(`${removedTask.title} removed from the task list.`);
} else {
console.log(`Task with title "${title}" not found.`);
}
},
displayTasks: () => {
tasks.forEach(task => {
console.log(`Title: ${task.title}, Description:
${task.description}, Due Date: ${task.dueDate}`);
});
},
};
})();
// Example usage
taskScheduler.addTask('Complete JavaScript Project',
'Finish the project on advanced JavaScript concepts.', '2023-01-31');
taskScheduler.addTask('Read Clean Code Book',
'Read and take notes on "Clean Code" by Robert C. Martin.', '2023-02-15');
taskScheduler.displayTasks();
taskScheduler.removeTask('Complete JavaScript Project');
taskScheduler.displayTasks();
Conclusion:
Congratulations on embarking on this innovative project! You've applied advanced JavaScript concepts to build a task scheduler, showcasing the practical use of closures, prototypes, destructuring, and the spread/rest operator. As you continue to enhance and expand this project, you'll gain valuable hands-on experience in crafting efficient and scalable JavaScript applications.
This project not only reinforces your understanding of fundamental concepts but also provides a tangible application of your skills. The task scheduler you've built can be a foundation for more complex applications and serves as a testament to your growth as a JavaScript developer.
Keep exploring new ideas, collaborating with the community, and diving into challenging projects. Your journey in mastering JavaScript is an ongoing adventure, and this project is a significant milestone. Best of luck on your coding endeavors!
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