This course is your complete roadmap to mastering modern JavaScript—from the basics to advanced concepts
Master modern JavaScript from the ground up and become the developer every React team wants.
What you’ll learn
- Learn how to become a confident, modern JavaScript developer — from beginner to advanced.
- Learn advanced methods for manipulating arrays and objects using high-order functions like map, filter, reduce, sort, split, splice, shift, and etc..
- Learn how to work with callbacks, Promises, and async/await for handling asynchronous code..
- Be fully equipped with the JavaScript skills needed to excel in any ReactJS development environment—from beginner to advanced levels..
- Learn modern ES6+ from the beginning: arrow functions, destructuring, spread operator, rest operator, hoisting, polyfill and etc..
Course Content
- Introduction –> 1 lecture • 7min.
- Exploring JavaScript Fundamentals –> 8 lectures • 38min.
- Exploring Function and its Applications –> 8 lectures • 37min.
- Exploring Objects and Arrays –> 8 lectures • 36min.
- Exploring ES6++ New Features –> 14 lectures • 49min.
- Exploring Collections –> 4 lectures • 17min.
- Exploring Array Special Methods –> 11 lectures • 36min.
- Interview Questions with Answer –> 3 lectures • 5min.

Requirements
Master modern JavaScript from the ground up and become the developer every React team wants.
This hands-on course is designed to take you from absolute beginner to advanced JavaScript proficiency—with a focus on what truly matters for React development. Whether you’re starting fresh or leveling up your skills, you’ll gain the confidence to write clean, modern, and production-ready JavaScript.
What You’ll Learn
Section 1: Introduction
- Introduction to this course
Section 2: Exploring JavaScript Fundamentals
- Installation and Running First JavaScript Program
- Variable and Data Types
- Let vs var vs Const in JavaScript
- Conditional Statements (if, else if, Switch)
- Looping Statements (for, while, do…while)
- Loop control (break, continue)
- Ternary operator (?:) and === vs ==
- Type coercion vs Type conversion
Section 3: Exploring Function and its Applications
- Function vs Function Expressions
- Arrow functions (ES6)
- Parameters and arguments
- Scope (Global, Function, Block)
- Closures
- Immediately Invoked Function Expressions (IIFE)
- Higher-order functions
- Callback functions
Section 4: Exploring Objects and Arrays
- Array Literals
- Object Literals
- Dot notation vs bracket notation
- Destructuring assignment (ES6)
- Spread operator (…) (ES6)
- Rest Operator (…) (ES6)
- Object methods (Object.keys(), Object.values(),Object.entities())
- Call, Apply and Bind
Section 5: Exploring ES6++ New Features
- Template String or Literals
- For in vs For of Loop
- Default Operator (|| or ??)
- Array Includes
- Synchromous vs Asynchronous
- Fetch API
- Async/Await
- Promise
- for await…of | async function*
- Exponent Operator
- Hoisting
- Polyfill
- Import and Export Module
- Default Export Module
Section 6: Exploring Collections
- Map
- WeakMap
- Set
- WeakSet
Section 7: Exploring Array Special Methods
- Filter function
- Map function
- Reduce function
- Sort function
- forEach
- Push vs Pop
- Shift vs Unshift
- Slice vs Splice
- Split vs Join
- Find vs findIndex
- Every vs Some
Section 8: Interview Questions with Answer
- Practical Interview Questions
- Theory Interview Questions
- At the End
Perfect For:
- Beginners starting their web development journey
- React developers looking to strengthen their JavaScript foundations
- Developers from other languages (Python, Java, etc.) moving to JS
- Anyone preparing for front-end interviews or coding assessments
By the end of this course, you won’t just “know” JavaScript—you’ll understand how to use it effectively in modern React applications.