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Welcome to JavaScript Advanced

Congratulations on taking the first step toward becoming a real programmer.

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Learn. Practice. Build.

This course is designed to take you from the fundamentals to advanced programming concepts through structured learning, practical examples, and hands-on experience.

Whether you're completely new to programming or an experienced developer looking to expand your skills, you'll find everything you need to move forward with confidence.

Your Path to Becoming a Code Hero

01

Learn

Understand programming concepts step by step and build a strong technical foundation.

02

Practice

Reinforce your knowledge with examples, exercises, and practical coding challenges.

03

Build

Turn what you learn into practical programming skills that you can use in real projects.

user@zero-to-hero:~/course$ start --learning
// Your journey begins now...
✓ Course initialized
✓ Learning path ready
✓ Time to become a Code Hero

Ready to Level Up?

Start the course, keep practicing, and take your programming skills from zero to hero.

Course Syllabus

Explore the complete learning path and see exactly what you'll learn throughout this course.

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What You'll Learn

Follow the roadmap below and progress from the fundamentals to advanced concepts.

Take your JavaScript skills to the next level with our advanced course. Explore complex concepts, advanced techniques, and practical applications for dynamic development. Elevate your coding proficiency with our structured pathway to JavaScript mastery.

Course Outline:

1. Working with the DOM

  1. Introduction to the DOM
  2. Properties of the document object
  3. Searching for Items on a Web Page
  4. Node object. Navigating the DOM
  5. Elements
  6. Creating, adding, replacing, and deleting items
  7. Managing Element Attributes
  8. Change the style of elements
  9. Creating Your HTML Element

2. Events

  1. Introduction to Event Handling
  2. Event Handlers
  3. Pass data to the event handler. Event Object
  4. Event spread
  5. Mouse Events
  6. Keyboard Events
  7. Programmatic Event Calling
  8. Defining Your Events

3. Working with Forms

  1. Forms and Their Elements
  2. Buttons
  3. Text fields
  4. Checkboxes and radio buttons
  5. Select List
  6. Validation API. Validating Form Elements
  7. Managing Form Validation

4. Working with the Browser and BOM

  1. Browser Object Model and window object
  2. Dialog boxes and on-page search
  3. Opening, closing, and positioning windows
  4. Browser history. History API
  5. Object location
  6. Object navigator
  7. Timers

5. JSON and XML Formats

  1. Working with JSON
  2. Working with XML

6. Data Storage

  1. Cookies
  2. Web Storage

7. Asynchrony, Promise, Async, and Await

  1. Asynchronous Functions and Callbacks
  2. Introduction to Promises
  3. Retrieving the Result of an Operation in a Promise
  4. Error handling in Promise
  5. Creating Promise Chains
  6. Promise.all, Promise.allSettled, Promise.any, and Promise.race functions
  7. Async and await
  8. Asynchronous iterators
  9. Asynchronous generators

8. AJAX Requests and XMLHttpRequest

  1. XMLHttpRequest object
  2. Loading HTML with XMLHttpRequest
  3. Loading XML with XMLHttpRequest
  4. Loading JSON with XMLHttpRequest
  5. Sending data in an Ajax request
  6. Submitting Forms in an Ajax Request
  7. Promise in Ajax requests

9. Fetch API

  1. Function fetch
  2. Getting a response. The Response Object and Its Properties
  3. Retrieving Data from a Response
  4. Configuring query parameters. Sending data
  5. Creating a client for the REST API

10. Web Socket API and Server-Sent Events

  1. Web Socket API
  2. Server-Sent Events

11. Localization

  1. Introduction to the Internationalization API
  2. Localization of lists and Intl.ListFormat
  3. Date and Time Localization
  4. Localization of names and Intl.DisplayNames
  5. Number Formatting and Intl.NumberFormat
  6. Intl.Collator and String Comparison

12. Modules

  1. Introduction to Modules
  2. Importing a Module
  3. Exporting and Importing Module Components
  4. Default Export and Import
  5. Using Aliases in Export and Import
  6. Dynamic Loading of Modules

13. Canvas API

  1. Canvas and its context. Drawing rectangles
  2. Drawing Customization
  3. Background Images
  4. Creating a Gradient
  5. Drawing Text
  6. Drawing shapes
  7. Canvas Images
  8. Adding Shadows
  9. Editing Pixels
  10. Transformation
  11. Drawing with the mouse
  12. Saving and Restoring the Canvas State
  13. Canvas Animation

14. IndexDB API

  1. Creating, Opening, and Deleting a Database
  2. Database management in IndexedDB
  3. Querying the Database
  4. Adding objects to storage
  5. Retrieving data from IndexDB
  6. Updating Storage Objects
  7. Getting the Number of Objects
  8. Delete data from storage
  9. Cursors

15. Drag-and-Drop API

  1. Drag & Drop Elements with Drag-and-Drop API
  2. Setting and Managing Drag-and-Drop Data with DataTransfer

16. File API

  1. Uploading Files
  2. Reading Files with FileReader
  3. Tracking the File Upload Process

17. Web Worker API

  1. Defining and Running a Web Worker
  2. Message exchange between the web worker and the main thread

18. Additional Web APIs

  1. Geolocation API
  2. Battery Status API
  3. Web Speech API. Speech synthesis
  4. Web Speech API. Speech recognition
  5. Web Animation API

19. Additional Articles

  1. Namespace pattern
  2. Pattern Module
  3. JavaScript in CSS

Why Enroll

Embark on an enriching learning journey in contemporary web development with our Advanced JavaScript course. Master advanced methodologies, industry best practices, and foundational concepts to craft robust, efficient code. Through engaging projects and practical applications, enhance your skills and advance confidently in your career.

Learn. Practice. Build.

Work through each section, practice what you learn, and keep progressing toward becoming a Code Hero.

JavaScript Interview Questions

Fundamentals of JavaScript

1. What is the difference between `var`, `let`, and `const`?

2. Explain the concept of closure in JavaScript.

3. What are JavaScript promises and how do they work?

4. What is the difference between synchronous and asynchronous code?

5. How does the `this` keyword work in JavaScript?

6. What is event delegation in JavaScript?

7. What are the different types of prototypes in JavaScript?

8. Explain how the `bind()` method works in JavaScript.

9. What is the purpose of the `setTimeout()` and `setInterval()` functions in JavaScript?

10. How do `map()` and `filter()` differ in JavaScript?

11. What is the use of the `Promise.all()` method in JavaScript?

12. Explain the concept of "event bubbling" in JavaScript.

13. What is the difference between `call()`, `apply()`, and `bind()` in JavaScript?

14. How does JavaScript handle asynchronous operations?

15. What is the use of the `Object.create()` method in JavaScript?

16. What are "generator functions" in JavaScript and how are they used?

17. What is "destructuring" in JavaScript, and how is it used with arrays and objects?

18. What is the purpose of the `Proxy` object in JavaScript?

19. How do `WeakMap` and `WeakSet` differ from their regular counterparts in JavaScript?

20. Explain the concept of "function currying" in JavaScript.

21. What is the difference between `==` and `===` in JavaScript?

22. How do you implement method chaining in JavaScript?

23. What are JavaScript modules and how do you use them?

24. Explain the use of `Object.defineProperty()` in JavaScript.

25. What is the purpose of the `Symbol` type in JavaScript?

26. How does JavaScript handle scope and closures?

27. What is the `fetch` API and how does it work?

28. What is the purpose of `Object.freeze()` and `Object.seal()` in JavaScript?

29. Explain how the `this` context is determined in JavaScript.

30. How do you implement a debounce function in JavaScript?

31. What are `setTimeout()` and `setInterval()` functions, and how do they differ?

32. Explain the concept of "Prototypal Inheritance" in JavaScript.

33. What are the different ways to handle errors in JavaScript?

34. What is a "throttling" function and how does it differ from a "debounce" function?

35. How does JavaScript's "event delegation" work and what are its benefits?

36. What is the purpose of `Reflect` in JavaScript?

37. How do you perform deep cloning of an object in JavaScript?

38. What are the `WeakRef` and `FinalizationRegistry` objects in JavaScript?

39. How can you use the `Intl` object to handle internationalization in JavaScript?

40. What is the difference between `Object.assign()` and the spread operator for merging objects?





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