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YOUR CODING JOURNEY STARTS HERE

Welcome to JavaScript

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.

WHAT YOU CAN EXPECT

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.

YOUR LEARNING ROADMAP

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.

Explore JavaScript in our course for flexible, dynamic coding. Learn fundamental concepts, advanced techniques, and practical applications for versatile development. Elevate your skills with our structured pathway to JavaScript proficiency.

Course Outline:

1. Introduction to JavaScript

  1. What is JavaScript
  2. The First JavaScript Program
  3. Running JavaScript Code
  4. Connecting an External JavaScript File
  5. Browser Console and console.log

2. JavaScript Basics

  1. Variables and Constants
  2. Types of Data
  3. Arithmetic Operations
  4. Bit-by-bit Operations
  5. Conditional Expressions
  6. Conditional Statements
  7. Type Casting
  8. Introduction to Arrays
  9. Conditional Constructions
  10. Loops
  11. Debugging and Debugger

3. Functional Programming

  1. Functions
  2. Function Parameters
  3. Result of Function
  4. Arrow Functions
  5. Variable Scope
  6. Closures and Functions IIFE
  7. Recursive Functions
  8. Override Functions
  9. Hoisting
  10. Passing Parameters by Value and by Reference

4. Object-Oriented Programming

  1. Objects
  2. This Keyword
  3. Nested Objects and Arrays in Objects
  4. Copying and Comparing Objects
  5. Checking for the Presence and Iteration of Methods and Properties
  6. Objects in Functions
  7. Functions-Constructors of Objects
  8. Extending Objects. Prototypes
  9. Function as an Object. call and apply Methods
  10. The Object.create Function. Configuring Object Properties
  11. Prototype Inheritance
  12. Inheritance of Constructor Prototypes
  13. Encapsulation of Properties. Getters and Setters
  14. Destructuring
  15. Operator Question Mark
  16. Constant Objects. Restrict Object Modification

5. OOP. Classes

  1. Classes
  2. Private Fields and Methods
  3. Properties and Access Methods
  4. Static Fields and Methods
  5. Inheritance

6. Arrays

  1. Creating an Array and Array Object
  2. Arrays and Spread Operator
  3. Operations with Arrays
  4. Array Inheritance

7. Strings

  1. Strings, the String Object, and Its Methods
  2. String Templates
  3. RegExp Object. Regular Expressions
  4. Regular Expression Syntax
  5. Quantifiers in Regular Expressions
  6. Search in String
  7. Groups in Regular Expressions
  8. Regular Expressions in String Methods

8. Error Handling

  1. The try..catch..finally
  2. Error Generation and throw Statement
  3. Types of Errors
  4. Error Handling and Function Call Stack

9. Built-in Objects

  1. Date Object. Working with Dates
  2. Math Object. Math Operations
  3. Object Number
  4. Symbols
  5. Proxy

10. Collections and Iterators

  1. Iterators
  2. Generators
  3. Sets
  4. Map
  5. WeakSet
  6. WeakMap

Why Enroll

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

YOUR JOURNEY

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 == and === in JavaScript?

2. Explain the concept of closures in JavaScript.

3. What is the purpose of the this keyword in JavaScript?

4. How does JavaScript handle asynchronous operations?

5. What is event delegation in JavaScript?

6. What are the differences between var, let, and const?

7. Explain the concept of prototypal inheritance.

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

9. What is the event loop in JavaScript?

10. What is a closure, and how can it be used in JavaScript?

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

12. What is the use of the bind() method in JavaScript?

13. How does the Object.create() method work?

14. What are JavaScript's data types, and how are they categorized?

15. Explain the concept of event delegation in JavaScript.

16. How does the apply() method work, and how is it different from call()?

17. What is the difference between undefined and null in JavaScript?

18. What are JavaScript's data types and how are they categorized?

19. How does the typeof operator work in JavaScript?

20. What is the purpose of the with statement, and why is it considered bad practice?

21. How do arrow functions differ from traditional functions in JavaScript?

22. What are the different ways to create objects in JavaScript?

23. What is the purpose of the Object.freeze() method?

24. What is the difference between Object.seal() and Object.freeze()?

25. What is the purpose of the try...catch statement in JavaScript?

26. Explain the concept of "hoisting" in JavaScript.

27. What is a "promise chain" in JavaScript, and how is it used?





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