To-Do List Application

Task Management Web App

About This Project

A simple yet powerful to-do list application that helps users organize their daily tasks efficiently. The app features an intuitive interface with the ability to add, edit, delete, and mark tasks as complete.

Built with vanilla JavaScript, this project demonstrates core programming concepts including DOM manipulation, local storage for data persistence, and event handling. The clean design ensures users can focus on their tasks without distractions.

Technologies Used

HTML5
CSS3
JavaScript
LocalStorage

Key Features

  • Add new tasks easily with a simple input field
  • Mark tasks as complete with instant visual feedback
  • Delete tasks securely with confirmation
  • Save all data locally using localStorage
  • Filter tasks by status — All, Active, or Completed
  • Clear all completed tasks in one click
  • Fully responsive design for all devices

Challenges & Solutions

Challenge 1: Data Persistence

Ensuring tasks remain saved even after the browser is closed or refreshed.

Solution: Implemented localStorage to save and retrieve tasks, with proper JSON serialization and error handling.

Challenge 2: Inline Editing

Creating a smooth user experience for editing tasks without navigating to a separate page.

Solution: Used contentEditable attribute with event listeners to enable inline editing with save/cancel options.

What I Learned

  • Working with browser localStorage API
  • DOM manipulation and event delegation
  • State management in vanilla JavaScript
  • CRUD operations (Create, Read, Update, Delete)
  • Array methods (filter, map, forEach)
  • User input validation and sanitization
  • Creating reusable JavaScript functions