JavaScript 30 chapters Self-paced

Modern JavaScript From Beginner to Advanced

Learn JavaScript fundamentals, DOM manipulation, ES6 features, events, APIs, async programming, and real-world project development with hands-on examples.

7 days suggested pace

Last updated May 2026

English

About this tutorial

JavaScript Complete Learning Path 🚀

JavaScript is one of the most powerful and widely used programming languages for web development. This tutorial is designed to help students and developers master JavaScript from basic to advanced concepts with practical examples and mini projects.

What You Will Learn

JavaScript Fundamentals
Variables, Data Types & Operators
Functions & Arrow Functions
Conditions & Loops
Arrays & Objects
DOM Manipulation
Events & Event Handling
ES6 Modern Features
Async JavaScript & Fetch API
Promises & Async/Await
Local Storage
Form Validation
API Integration
Mini Real-Time Projects

Why Learn JavaScript?

JavaScript powers modern websites and applications. It is essential for frontend development and also widely used in backend development with Node.js. Learning JavaScript opens opportunities in web development, mobile apps, and full-stack engineering.

Real-Time Practice

Throughout this course, learners will build interactive applications such as:

To-Do Application
Weather App
Calculator
Image Slider
Responsive Navigation Menu
API-Based Search App

Career Benefits

By completing this tutorial, students will gain practical JavaScript development skills and improve their confidence for internships, freelance projects, and software development interviews.

Chapters

The first two chapters are free to read on the public site. Create a student account and unlock this tutorial to open the rest in your learning hub.

Anyone can read the first two chapters below without signing in. Create a student account and unlock this tutorial to open the rest in your learning hub.

Chapter 1

JavaScript Engine Explained - Working, Compilation, Interpreter vs Compiler

Hello friends, welcome to shrash studio learning. In this article we will understand: What is JavaScript Runtime What is JavaScript Engine How JavaScript code runs What is V8 Engine What is Call Stack & Memory Heap Impor…

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Chapter 2

JavaScript setTimeout and Event Loop Explained

Hello friends, welcome to shrash studio learning. In this article we will understand: What is setTimeout Why setTimeout has trust issues What is Event Loop What is Callback Queue What is Call Stack Important Interview Qu…

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Chapter 3

JavaScript Hoisting Explained: var, let, const and Temporal Dead Zone in Detail

Hello friends, welcome to shrash studio learning. In this article we will understand: What is let What is const What is Temporal Dead Zone (TDZ) Difference between var, let, and const Different JavaScript errors Importan…

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Chapter 4

Closure in JavaScript

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Closure How Closure works internally Lexical Environment Scope Chain Real-world use cases Important Interview Questions This a…

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Chapter 5

JavaScript Hoisting Explained in Depth

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Hoisting Memory Creation Phase Code Execution Phase Difference between undefined and not defined Hoisting with var, let, const…

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Chapter 6

Execution context is the most fundamental concept in JavaScript

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Execution Context Memory Creation Phase Code Execution Phase Variable Environment Thread of Execution Call Stack Important Int…

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Chapter 7

Callback in JavaScript

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Callback Function Why callbacks are used setTimeout callback Event listener callbacks Callback hell Closures with callbacks Im…

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Chapter 8

JavaScript Callback Hell

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Callback Function Why Callbacks are used How Callback works internally What is Callback Hell What is Inversion of Control Call…

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Chapter 9

Javascript 'this' Keyword

Hello friends, welcome to shrash studio learning. In this article we will understand: What is this keyword Global this this in regular function this in object methods Arrow function this call, apply, bind Important Inter…

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Chapter 10

map(), filter(), and reduce() in JavaScript

Hello friends, welcome to shrash studio learning. In this article we will understand: What is map() What is filter() What is reduce() How map, filter, reduce work internally Method chaining Real-world examples Important …

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Chapter 11

Javascript Promise

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Promise in JavaScript Why Promises were introduced Promise states then(), catch(), finally() Promise chaining Promise helpers …

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Chapter 12

Difference between undefined and not defined

Hello friends, welcome to shrash studio learning. In this article we will understand: What is undefined Why undefined exists in JavaScript Difference between undefined and not defined Memory Creation Phase Loose Typing i…

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Chapter 13

What is first class function in Javascript?

Hello friends, welcome to shrash studio learning. In this article we will understand: Function Statement Function Expression Anonymous Function Named Function Expression Parameters vs Arguments First-Class Functions High…

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Chapter 14

Higher-Order Function

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Higher-Order Function Why Higher-Order Functions are important Function as argument Function returning function Real-world exa…

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Chapter 15

ES6 Features Complete

Hello friends, welcome to shrash studio learning. In this article we will understand: What is ES6 let and const Arrow Functions Template Literals Destructuring Spread and Rest Operators Promises Classes Modules Important…

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Chapter 16

Pure Functions

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Pure Function Rules of Pure Functions Pure vs Impure Functions Side Effects Benefits of Pure Functions Pure Functions in React…

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Chapter 17

Generator Functions

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Generator Function yield keyword next() method How generators work internally Infinite generators Real-world examples Importan…

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Chapter 18

IIFE (Immediately Invoked Function Expression)

Hello friends, welcome to shrash studio learning. In this article we will understand: What is IIFE Why IIFE is used Function Expression in IIFE Private Variables IIFE with Arrow Functions Real-world examples Important In…

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Chapter 19

Async and Await

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Async Await Why Async Await is used async keyword await keyword Error handling fetch API with Async Await Important Interview …

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Chapter 20

Debouncing in JavaScript

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Debouncing Why Debouncing is important How Debouncing works internally Search bar optimization Debouncing vs Throttling Real-w…

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Chapter 21

Throttling in JavaScript

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Throttling Why Throttling is important How Throttling works internally Scroll event optimization Throttling vs Debouncing Real…

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Chapter 22

Event Bubbling and Capturing

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Event Bubbling What is Event Capturing Event flow in JavaScript stopPropagation() Bubbling vs Capturing Real-world examples Im…

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Chapter 23

Event Delegation

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Event Delegation Why Event Delegation is important How Event Bubbling helps Event Delegation Dynamic elements handling Perform…

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Chapter 24

Prototype and Prototype Chain

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Prototype What is Prototype Chain How JavaScript inheritance works __proto__ and prototype Prototype inheritance Real-world ex…

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Chapter 25

Call Apply Bind

Hello friends, welcome to shrash studio learning. In this article we will understand: What is call() What is apply() What is bind() Difference between call apply bind How this keyword works Real-world examples Interview …

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Chapter 26

Deep Copy vs Shallow Copy

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Shallow Copy What is Deep Copy Difference between shallow and deep copy Reference behavior in objects Real-world examples Diff…

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Chapter 27

Scope and Scope Chain

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Scope What is Scope Chain Global Scope Function Scope Block Scope Lexical Scope Real-world examples Interview questions This a…

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Chapter 28

Microtask Queue vs Callback Queue

Hello friends, welcome to shrash studio learning. In this article we will understand: What is Event Loop What is Microtask Queue What is Callback Queue Difference between both queues Promise vs setTimeout execution Execu…

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Chapter 29

setTimeout Internals

Hello friends, welcome to shrash studio learning. In this article we will understand: What happens internally in setTimeout() How browser handles timers Role of Web APIs Callback Queue Event Loop flow Why setTimeout is a…

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Chapter 30

Browser APIs in JavaScript

Hello friends, welcome to shrash studio learning. In this article we will understand: What are Browser APIs Why Browser APIs are important DOM API setTimeout API Fetch API LocalStorage API Real-world examples Interview q…

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What you will build

Comprehensive course curriculum

Hands-on practical training

Expert instructor guidance

Course completion certificate

Instructors

Shrast Tech Experts

Industry practitioners & educators

Content is authored and reviewed by practitioners focused on clarity, depth, and skills you can apply on the job.

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Duration: 7 days suggested pace

Track: JavaScript

Certificate: Upon completion

Questions?

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