I keep starting JavaScript and stopping. Why would this time be different?

Most JavaScript courses start with syntax before you understand what JavaScript actually does. This course starts differently. You see what it is, where it runs, and what it can build before writing a single line. You write code that works in your browser before the first hour ends.

What do I need before starting this course?

Nothing technical. No programming experience or coding background required. Basic computer familiarity is enough. The course covers VS Code setup, browser console usage, and everything from the very first topic.

Is this introduction to JavaScript course taught in Hindi?

Yes, entirely in Hindi. It is part of the Master Modern JavaScript Development Specialization on Coursera. The code and concepts are standard JavaScript. The explanations, examples, and practice problems are all in Hindi.

Will I write actual code or mostly watch videos?

You write code from the very first video. Engaging video lessons are paired with practice problems, so every concept gets applied immediately. You work in the VS Code and the browser console throughout the course.

Is JavaScript covered deeply enough here to start web development?

Yes. This course covers variables, data types, objects, arrays, operators, conditionals, every loop type, functions, closures, error handling, and more. You also learn the advantages and disadvantages of JavaScript, so you understand exactly when and why to use it.

Will I build practical applications in this course?

Yes. This course includes hands-on coding practice throughout the learning path. You will apply JavaScript concepts through browser-based implementations, logic exercises, interactive programs, and mini application workflows, so you learn by building, not memorizing syntax.

What jobs can I get after learning JavaScript?

JavaScript is the most widely used programming language in the world and is required for virtually every front-end developer role. Learning JavaScript fundamentals opens doors to roles like front-end developer, web developer, JavaScript developer, and full-stack developer. This course gives you the foundation. Most entry-level web development roles require JavaScript alongside HTML and CSS as a minimum.

When will I have access to the lectures and assignments?

To access the course materials, assignments and to earn a Certificate, you will need to purchase the Certificate experience when you enroll in a course. You can try a Free Trial instead, or apply for Financial Aid. The course may offer 'Full Course, No Certificate' instead. This option lets you see all course materials, submit required assessments, and get a final grade. This also means that you will not be able to purchase a Certificate experience.

What will I get if I subscribe to this Specialization?

When you enroll in the course, you get access to all of the courses in the Specialization, and you earn a certificate when you complete the work. Your electronic Certificate will be added to your Accomplishments page - from there, you can print your Certificate or add it to your LinkedIn profile.

Is financial aid available?

Yes. In select learning programs, you can apply for financial aid or a scholarship if you can’t afford the enrollment fee. If fin aid or scholarship is available for your learning program selection, you’ll find a link to apply on the description page.

JavaScript Fundamentals

JavaScript Fundamentals

This course is part of Master Modern JavaScript Development Specialization

Instructors: Nikhil Agarwal

Included with

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4 modules

Gain insight into a topic and learn the fundamentals.

Beginner level

Recommended experience

8 hours to complete

Flexible schedule

Learn at your own pace

4 modules

Gain insight into a topic and learn the fundamentals.

Beginner level

Recommended experience

8 hours to complete

Flexible schedule

Learn at your own pace

What you'll learn

Read and write JavaScript with real confidence so you can build scripts that run in browsers and servers from day one
Understand how JavaScript stores and handles data so you can work with any variable, type, or structure you encounter
Build programs that make decisions and repeat actions, so your code responds to users the way real applications do
Create functions that are clean, flexible, and reusable, so your code is structured the way professional developers write it

Details to know

Shareable certificate

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See how employees at top companies are mastering in-demand skills

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Build your subject-matter expertise

This course is part of the Master Modern JavaScript Development Specialization

When you enroll in this course, you'll also be enrolled in this Specialization.

Learn new concepts from industry experts
Gain a foundational understanding of a subject or tool
Develop job-relevant skills with hands-on projects
Earn a shareable career certificate

There are 4 modules in this course

Most people save JavaScript tutorials for later. Later never comes. This course makes the waiting stop. You write real JavaScript in VS Code and the browser console in the first hour.

Here is what you will build skills in: • JavaScript Basics & Environment Setup How JavaScript runs, what it is, VS Code setup, browser console, Node.js basics, variables using var, let, and const, comments, and semicolons. • Data Types, Objects, and Arrays Primitive types, undefined, null, objects, and arrays with indexing and grouping, so you handle any data a program needs. • Operators, Conditions, & Control Flow Arithmetic, comparison, logical, and increment/decrement operators with if/else, else-if, switch, and ternary so your programs make real decisions. • Loops, Functions, and Error Handling Every loop type is typically applied to real scenarios, try/catch/finally, functions from declarations, default parameters, arrow syntax, closures, IIFE, higher-order functions, and currying, so your code is clean. Built for absolute beginners and career switchers. Taught in Hindi. Over 2,00,000 learners have chosen LearnKartS on Coursera across 160+ courses. Enroll now and write your first line of JavaScript today.

Module details

Learn the basics of JavaScript including history, runtime environment, variables, scope, and modern syntax rules. Set up your development environment and understand how JavaScript runs in the browser.

What's included

10 videos3 assignments

10 videosTotal 32 minutes

Course Introduction1 minute
What is JavaScript?1 minute
History of JavaScript3 minutes
Where does JavaScript run?1 minute
What can JavaScript do?1 minute
Fun facts about JavaScript1 minute
Using JavaScript in Browser Console2 minutes
Setup VS Code Editor7 minutes
Introduction to Variables & Scope in JavaScript 6 minutes
var vs let vs const & Modern JavaScript Variable Rules9 minutes

3 assignmentsTotal 48 minutes

Proficiency Quiz20 minutes
Checkpoint Quiz12 minutes
Checkpoint Quiz16 minutes

Understand JavaScript data types, objects, arrays, and execution flow fundamentals. Learn how to structure and manage data effectively in real-world programs.

What's included

9 videos3 assignments

9 videosTotal 50 minutes

Primitive Data Types in JavaScript (Number, String, Boolean)3 minutes
Special Types: Undefined, Null & Basic Object Introduction 7 minutes
Objects in JavaScript & Grouping of Variables 6 minutes
Introduction to Arrays in JavaScript4 minutes
Array Indexing, Length & Advanced Array Concepts7 minutes
Comments, Semicolons, and Best Practices4 minutes
Running JavaScript in Browser & VS Code Setup 5 minutes
Node.js Basics & Simple JavaScript Execution Flow 5 minutes
Practice problems8 minutes

3 assignmentsTotal 39 minutes

Proficiency Quiz15 minutes
Checkpoint Quiz12 minutes
Checkpoint Quiz12 minutes

Master decision-making in JavaScript using operators, comparisons, and conditional statements. Learn how to build logic using if-else, switch, and ternary operations.

What's included

13 videos4 assignments

13 videosTotal 72 minutes

Advantages of JavaScript2 minutes
Disadvantages of JavaScript5 minutes
Introduction to Operators & Arithmetic Operations in JavaScript3 minutes
Comparison Operators (==, ===, !=, !==) Explained6 minutes
Logical Operators & Real-world Condition Building 10 minutes
Increment & Decrement Operators Basics (Pre vs Post)3 minutes
Decrement Operator & Working with Examples 4 minutes
Complex Expressions & Mixed Increment/Decrement Cases 5 minutes
Real-world Use Cases & Best Practices8 minutes
Introduction to Conditional Statements & if Statement 4 minutes
if-else & else-if Ladder (Multiple Conditions Handling)8 minutes
Ternary Operator (Conditional Operator) Explained4 minutes
Switch Statement & Real-world Conditional Logic 9 minutes

4 assignmentsTotal 64 minutes

Proficiency Quiz20 minutes
Checkpoint Quiz12 minutes
Checkpoint Quiz16 minutes
Checkpoint Quiz16 minutes

Learn how to build reusable logic using loops, functions, callbacks, and error handling techniques. Strengthen problem-solving skills with real-world JavaScript programming patterns.

What's included

17 videos4 assignments

17 videosTotal 86 minutes

Introduction to Loops & for Loop Basics 5 minutes
while & do-while Loops Explained 5 minutes
for-in Loop & Objects/Arrays Iteration4 minutes
for-of Loop & Iterating Iterables5 minutes
break, continue & Nested Loops Explained 5 minutes
Practical examples of loops8 minutes
Introduction to Error Handling (try & catch Basics)6 minutes
finally Block, throw Errors & Real-world Error Handling 5 minutes
Solve Practice Problems5 minutes
Function declaration & expressions (with Parameter and empty functions)8 minutes
Arrow functions2 minutes
Default Parameters in Functions2 minutes
Higher-order functions & callbacks7 minutes
Scope, Closures, and IIFE8 minutes
Currying2 minutes
Practice Problems8 minutes
Summary1 minute