JavaScript Learning Path - 24 Hours

1. JavaScript Fundamentals (3 hours)

• Variables and Data Types
  • var, let, const
  • Numbers, Strings, Booleans
  • null and undefined
  • Objects and Arrays
• Basic Operators
• Type Conversion
• Control Flow
  • if/else statements
  • switch statements
  • loops (for, while, do-while)

2. Functions and Scope (3 hours)

• Function Declaration vs Expression
• Arrow Functions
• Parameters and Arguments
• Return Values
• Scope and Closures
• this keyword

Day 2 (6 hours)

3. Objects and Arrays Deep Dive (3 hours)

• Object Methods and Properties
• Array Methods
  • push, pop, shift, unshift
  • map, filter, reduce
  • forEach, find, some, every
• Destructuring
• Spread/Rest Operators

4. DOM Manipulation (3 hours)

• Selecting Elements
• Creating/Removing Elements
• Event Handling
• Event Bubbling and Delegation
• DOM Traversal
• Modifying Styles and Classes

Day 3 (6 hours)

5. Asynchronous JavaScript (3 hours)

• Callbacks
• Promises
• Async/Await
• fetch API
• Error Handling
• JSON

6. Modern JavaScript Features (3 hours)

• ES6+ Features
• Modules
• Classes
• Template Literals
• Default Parameters
• Optional Chaining
• Nullish Coalescing

Day 4 (6 hours)

7. Practice Projects (4 hours)

1. Todo List Application

   • CRUD operations
   • Local Storage
   • DOM manipulation

2. Weather App

   • Working with APIs
   • Async operations
   • Error handling

8. Best Practices and Debug (2 hours)

• Code Organization
• Debugging Techniques
• Performance Optimization
• Common Pitfalls
• Error Handling Patterns

Resources

• MDN Web Docs
• JavaScript.info
• FreeCodeCamp
• Codecademy

Practice Exercises

Each section should be followed by practical exercises to reinforce learning.

Project Ideas

• Calculator
• Form Validator
• Quiz App
• Notes App
• Shopping Cart

Next Steps

• Learn a Framework (React, Vue, or Angular)
• Explore Node.js
• Study Design Patterns
• Practice Data Structures and Algorithms