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Course Details

Complete JavaScript Mastery Course

The Complete JavaScript Mastery Course is a comprehensive, beginner-to-advanced program designed to teach you one of the most powerful and in-demand programming languages in the world.
Whether you’re a beginner starting fresh or someone looking to strengthen your skills, this course will help you master JavaScript with real-world examples, practical projects, and complete live guidance.

By the end of this course, you’ll be able to build fully functional applications, create interactive user interfaces, work with APIs, and confidently prepare for job interviews.

The Complete JavaScript Mastery Course has very simple prerequisites and is open to all beginners. Students only need basic computer knowledge, a laptop or desktop with a stable internet connection, and a willingness to learn. Basic HTML and CSS understanding is helpful but not mandatory. Additionally, students must have an active Telegram account for class updates and communication, and Google Meet installed for attending live sessions.

Learning JavaScript is extremely important because it is the core language of the web and powers almost every modern website and application. It helps you build interactive user interfaces, work with real-time data, and create dynamic features that users expect today. JavaScript is also essential for frontend development, and it opens doors to advanced fields like React, Node.js, and full-stack development. With high demand and excellent career opportunities, mastering JavaScript is one of the best steps toward becoming a job-ready developer.

The Complete JavaScript Mastery Course will run for 4.5 months, giving students enough time to learn every concept properly—from basics to advanced topics.

The Complete JavaScript Mastery Course will begin on 11 February 2026. Classes will be conducted every Wednesday starting from 6:30 PM, and the end time of the class will depend on the mentor’s mood. Sessions will be held live on Google Meet or Zoom. This flexible schedule allows students to learn comfortably while maintaining consistency throughout the entire program.

The total course fee for the Complete JavaScript Mastery Course is ₹1545. This one-time payment gives students full access to all live classes, notes, recordings, and real-world projects throughout the entire program.

Instractor

Mr. Tamal Mandal

course student (3) (2)

Syllabus

Introduction to JavaScript

  • What is JavaScript?

  • JavaScript vs ECMAScript

  • How JavaScript works (Browser/Engine)

  • Embedding JS: Inline, Internal, External

  • JS Comments (Single-line & Multi-line)

  • Console & Debugging with Developer Tools

JavaScript Basics

  • Variables: var, let, const

  • Data Types (Primitive & Reference)

  • Type Conversion and Coercion

  • Operators (Arithmetic, Comparison, Logical, Bitwise)

  • Template Literals

  • String and Number Methods

  • Escape Characters

Control Structures

  • if, else if, else

  • switch statement

  • Ternary Operator

  • Loops:

    • for, while, do-while

    • for...in, for...of

Functions

  • Function Declaration

  • Function Expression

  • Arrow Functions

  • Parameters vs Arguments

  • Return Statement

  • Callback Functions

  • IIFE (Immediately Invoked Function Expressions)

  • Recursive Functions

Arrays

  • Creating and Accessing Arrays

  • Array Methods: push, pop, shift, unshift, slice, splice

  • Iteration: forEach, map, filter, reduce, find, some, every

  • Multidimensional Arrays

  • Sorting & Reversing Arrays

Objects

  • Object Literals & Properties

  • Accessing & Modifying Properties

  • this Keyword

  • Nested Objects

  • Object Methods

  • Object Destructuring

  • Object.keys(), Object.values()

DOM Manipulation

  • What is the DOM?

  • Selecting Elements: getElementById, querySelector, etc.

  • Changing Content and Styles

  • Creating and Removing Elements

  • DOM Tree Traversal

  • Events: click, submit, keydown, etc.

BOM (Browser Object Model)

  • window, navigator, screen, location, history

  • alert, prompt, confirm

  • Timers: setTimeout, setInterval, clearTimeout

Error Handling & Debugging

  • Types of Errors

  • try...catch..

  • Debugging with Browser DevTools

  • Best Practices for Error Handling

ES6 and Modern JavaScript

  • let, const, var recap

  • Template Literals

  • Arrow Functions

  • Destructuring (Array & Object)

  • Spread and Rest Operators

  • Default Parameters

  • for...of, for...in

  • Optional Chaining

Classes & OOP in JavaScript

  • What is OOP?

  • Constructor Functions

  • ES6 Classes

  • this, super, new

  • Inheritance

  • Encapsulation

  • Static Methods

  • Getters & Setters

Closures & Scope

  • Global vs Local Scope

  • Function Scope vs Block Scope

  • Lexical Scope

  • Closures Explained with Examples

  • Use Cases of Closures

Asynchronous JavaScript

  • What is Async Programming?

  • setTimeout, setInterval

  • Callbacks & Callback Hell

  • Promises: resolve, reject, .then, .catch

  • async / await

  • Error Handling with try...catch in async

JavaScript and the Web

  • Form Handling

  • Fetch API (GET, POST)

  • Working with JSON

  • Fetch

  • REST API consumption

Storage in JavaScript

  • localStorage and sessionStorage

  • cookies

  • JSON

Advanced JavaScript Concepts

  • Higher-Order Functions

  • Event Loop, Call Stack

  • bind(), call(), apply()

JavaScript Projects

  • Sidebar with Multiple Features

  • Background Color Changer using Closure

  • Random Color Generator with Color Type

  • Form Validation with Multiple Features

  • Image Slider with Multiple Features

  • Dark Mode Implementation

  • Music Player with Multiple Features

  • To-Do List with Multiple Features

Testimonials

What Our Students Are Saying