Free JavaScript Course for Beginners

Introduction to JavaScript

star 4.46  Beginner level 3.75 learning hrs 115.1K+ Learners

Learn the fundamentals of JavaScript, including variables, loops, functions, objects, arrays, and data types. Join this JavaScript course to build dynamic web applications and gain skills to solve real-world coding challenges.

Instructor:

Mr. Faizan Parvez

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About this course

The online JavaScript course covers the essential concepts to help you write effective and efficient code. You’ll learn how to write JavaScript using various methods, including the console, script tags, and external JS files. The course introduces the use of comments, variables, and data types, helping you understand the importance of declaring variables and following coding rules. You’ll also gain a strong grasp of conditional statements and loops, which will enable you to control the flow of your code efficiently. Additionally, you’ll explore JavaScript operators, hoisting, and how to prevent it, setting the stage for writing optimized code.

By the end of the course, you’ll be able to work confidently with JavaScript's core features, including objects, arrays, and functions. You’ll understand data types, their importance, and how to use them effectively. The course ensures you can declare and manipulate variables, use operators, and write reusable functions. With practical knowledge of arrays and objects, you’ll be able to manage complex data and optimize your code. This course equips you with the foundational JavaScript skills to start building dynamic, interactive web applications.

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Course outline

Where to Write

In the first chapter, you will learn about JavaScript code and the ways of writing it. The video lecture explains how to write JavaScript code using the console, script tags, and an External js file.

Comments and JavaScript Properties

This section explains comments and why they are used while writing JavaScript code. Also, properties of JavaScript, such as the data types used while declaring variables, are discussed. 

Variables

This part of the course explains what variables are, why you require them, what is the importance of declaring variables, learning how to declare a variable, and the rules that are to be followed while declaring one.

Conditional Statements in JavaScript

This module discusses the basics of conditional statements, the importance of these statements, the different types of conditional statements used, such as if-else case, switch case, and different ways to use conditional statements.

Loops in JavaScript

In this module, what loops are, why they are important, multiple variations of loops such as for loop, while loop, Do-While loop, and what are the different ways for defining loops in the code are explained.

Operators in JavaScript

This section takes you through the different types of operators used while coding in JavaScript, for example, unary operator, arithmetic operator, shift operator, relational operator, bitwise operator, logical operator, assignment operator, and ternary operator.

Hoisting & How to stop it

This section explains JavaScript hoisting. You will learn about the difference between when a var is hoisted, and a function is hoisted. It provides a detailed explanation of the ways to stop hosting.

Primitive Data Types in JavaScript

This section discusses the basics of data types, the importance of data types, the different data types used, the ways to use data types in JavaScript, and the syntax of data types.

Objects

In this part of the course, the basics about objects, why they are known as non-primitive data types, the impression of an object, and the different ways to use objects are discussed. 

Arrays - JavaScript

This module discusses the basics of arrays, the importance of arrays, the different ways of defining arrays in JavaScript, and the different array method types. 

Functions - JavaScript

In this module, Javascript functions, its importance, how they are defined in javascript, how to recall them, and the different ways used to define functions are discussed. 

Get access to the complete curriculum once you enroll in the course

Introduction to JavaScript

rating icon 4.46

3.75 Hours

Beginner

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115.1K+ learners enrolled so far

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Learner reviews of the Free Courses

4.46
65%
25%
7%
1%
2%
Reviewer Profile

5.0

Country Flag United States
“Learning Made Easy with Videos and In-Depth Explanations”
In these JavaScript videos, I learned things that I never even needed to use before as a programmer.
Reviewer Profile

5.0

Country Flag India
“Introduction to JavaScript - A Comprehensive Learning Experience”
The "Introduction to JavaScript" course from Great Learning provided an excellent foundation in JavaScript. The interactive lessons, practical examples, and easy-to-follow explanations helped me grasp key concepts like variables, loops, and functions. This course made learning JavaScript engaging and accessible!
Reviewer Profile

4.0

Country Flag India
“Introduction to JavaScript in Great Learning”
JavaScript is a versatile, high-level programming language primarily used to create interactive and dynamic web content. Developed by Netscape in the mid-1990s, it has become an essential part of web development alongside HTML and CSS. JavaScript enables developers to build complex features like responsive forms, animations, and real-time updates on web pages, making it a key technology for modern web applications. Its ability to run in various environments, from browsers to servers, highlights its broad applicability and importance.
Reviewer Profile

4.0

Country Flag India
“Best Series to Do Hands-On for JavaScript Basics”
Participating in this quiz was both engaging and educational. The questions challenged my knowledge and prompted me to think critically about various topics. I appreciated the variety of formats, which kept the experience dynamic. Overall, it was a great way to learn and test my understanding in a fun environment!
“Good Teaching Experience Along with Modules”
I really enjoyed the comprehensive teaching experience provided by the instructor. The curriculum was well-structured and covered a variety of useful topics, which were easy to follow thanks to the detailed explanations. The inclusion of relevant skill-building tools and practical assignments helped solidify my understanding, making the learning experience both engaging and effective. The modules were thoughtfully designed to encourage deeper learning, making it a rewarding educational experience.
Reviewer Profile

5.0

“Skill Enhancement Prepared Me Well for Future Projects”
The curriculum was comprehensive, covering essential topics. This structured approach helped me build a solid foundation that directly aligns with my career aspirations.
Reviewer Profile

5.0

Country Flag India
“Remarkable Experience with Essential Topics for Web Development”
The curriculum was well-structured and comprehensive. Each module was designed to build upon the previous one, ensuring a smooth learning progression. The blend of theoretical concepts and practical applications helped reinforce my understanding of the material. I particularly appreciated the inclusion of real-world case studies, which made the content relatable and engaging.
Reviewer Profile

5.0

Country Flag India
“Great Learning Offers an Interactive JavaScript Experience”
The JavaScript learning experience at Great Learning is interactive and practical, combining theory with real-world projects. It emphasizes problem-solving and encourages experimentation, making concepts easier to grasp. Supportive mentors provide guidance, fostering a collaborative environment for deeper understanding.
Reviewer Profile

4.0

Country Flag India
“JavaScript (JS) - A Versatile Programming Language”
JavaScript (JS) is a versatile, high-level programming language primarily used for web development. Here are the key highlights of JavaScript: Client-Side Scripting: JS is mainly used to make web pages interactive in the browser. It runs on the client-side, reducing the server load and enhancing user experience.
Reviewer Profile

4.0

Country Flag India
“JavaScript: The World's Most Popular Programming Language”
JavaScript is a scripting language for creating dynamic web page content. It creates elements for improving site visitors' interaction with web pages, such as dropdown menus, animated graphics, and dynamic background colors. JavaScript (JS) is a cross-platform, object-oriented programming language used by developers to make web pages interactive. It allows developers to create dynamically updating content, use animations, pop-up menus, clickable buttons, control multimedia, etc.

What our learners enjoyed the most

Our course instructor

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Mr. Faizan Parvez

IT & Software Expert

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2M+ Learners
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84 Courses
Faizan has been working as an Instructor of Data Structure and Algorithm for the last 1 year. He has expertise in languages such as Java , JavaScript etc. He is a Subject Matter Expert in the field Computer Science and a competitive programmer. He has been working in the technical content development and is a Research Analyst .

Frequently Asked Questions

Will I receive a certificate upon completing this free course?

Yes, upon successful completion of the course and payment of the certificate fee, you will receive a completion certificate that you can add to your resume.

Is this course free?

Yes, you may enroll in the course and access the course content for free. However, if you wish to obtain a certificate upon completion, a non-refundable fee is applicable.

What will I learn in this free JavaScript course?

You’ll learn the basics of the JavaScript programming language, including comments, variables, loops, conditional statements, operators, data types, objects, arrays, and functions.



Is this free JavaScript course for beginners?

Yes, this course is designed for beginners and teaches foundational JavaScript concepts in a simple, step‑by‑step format.

Do I need prior experience to learn JavaScript online for free with this course?

Basic knowledge of HTML and CSS is helpful but not required, making it accessible to beginners who want to learn JavaScript.



Is this a free online JavaScript course with a certificate?

Yes, you can access the course content for free and earn a certificate of completion upon completion

How long does this free JavaScript course with a certificate take?

This course is self‑paced and takes around 3.75 hours to complete, allowing you to learn at your convenience.

Will I learn how to write real JavaScript code?

Yes, you’ll learn where and how to write JavaScript using the console, script tags, and external JS files.

Will this course help me understand JavaScript logic and flow?

Yes, you’ll learn conditional statements like if‑else and switch cases, and loops such as for, while, and do‑while.



Can this course help me start a career in web development?

Yes, learning JavaScript basics is a key step to becoming a front‑end or full‑stack developer, as nearly all interactive web apps rely on JavaScript.



Is this one of the JavaScript course online free that employers value?

Yes, this beginner‑friendly freeJavaScript course provides practical skills and a certificate you can add to your resume.

What outcomes should I expect after this course

You’ll be able to write and debug basic JavaScript code, work with data structures like objects and arrays, and build interactive web features, making you ready for advanced JavaScript learning.

What skills will I gain from this online JavaScript course for free?

The skills you will gain are:

  • JavaScript Basics
  • Data Types
  • Control Structures
  • Functions
  • DOM Manipulation
  • Event Handling
  • Error Handling
  • JSON
  • Asynchronous Programming
  • APIs
  • Debugging


Why choose Great Learning Academy for this JavaScript course?

There are multiple reasons to choose Great Learning to learn JavaScript:
- Great Learning Academy offers a wide range of programs and courses that cater to students of all levels.
- Great Learning has a strong reputation and is known for its quality education.
- The free courses are designed to prepare students for advanced courses
- Certificate of completion after completing the course

What are the steps to enroll in this course?

 Log in to Great Learning Academy and search "Introduction to JavaScript"
- Click on ENROLL NOW.
- Start Learning

Who is eligible to take this Introduction to JavaScript course?

Anyone who has a basic knowledge of HTML and CSS can learn JavaScript.

What are the prerequisites required to learn this Introduction to JavaScript course?

The basic knowledge of HTML (Hypertext Markup Language) and CSS (Cascading Style Sheets) is essential to learning JavaScript. Both can be learnt easily. 

Can I sign up for multiple courses from Great Learning Academy at the same time?

Yes, you can opt for many courses as per your time suitability.

Is there a limit on how many times I can take this Introduction to JavaScript course?

No, there is no limit. You can take this Introduction to JavaScript course many times until you do not completely understand it.

How much does this Introduction to JavaScript course cost?

Introduction to JavaScript course is a free online course.

What knowledge and skills will I gain upon completing this Introduction to JavaScript course?

Knowledge: Creating interactive and more dynamic user applications, a basic understanding of JavaScript to make interactive applications, the various platforms to write JavaScript, the properties of JavaScript, and concepts like variables, loops, functions, operators, and more, hands-on experience. 

Skills: JavaScript and Hive. 

Will I get a certificate after completing this Introduction to JavaScript course?

Yes, we provide a certificate after successfully completing the Introduction to JavaScript course.

What jobs demand that you learn JavaScript?

Nowadays, JavaScript is in demand in almost all sectors. After learning JavaScript, you can make a career in the following: Web Application Developer, Front End Web Developer, JavaScript Developer, Web Designer, UX Designer, UI Designer, DevOps Engineer, and Full-Stack Developer.

Why is JavaScript so popular?​

The popularity of JavaScript can be gauged from the fact that all over the world, over 1.8 Billion websites exist, and around 95% of them are using JavaScript. 

What is JavaScript used for?

Javascript is used for developing dynamic and interactive web content such as applications and browsers.

Is it worth learning JavaScript?

Yes, Javascript is worth learning because it still has continuously held its position as a highly used programming language worldwide in the past decade. It is the only programming language that is native to web browsers. 

What are my next learning options after this Introduction to JavaScript course?

After completing this course, you can choose the next available course as per your requirement.

Will I have lifetime access to the free Introduction to JavaScript course?

Yes, Great Learning provides lifetime access to any of its free online courses, provided you have enrolled successfully.

How long does it take to complete this free Introduction to JavaScript course?

The total duration of the Introduction to JavaScript course is 1.5 hours. You can, however, learn it at your convenience since the course is self-paced. 

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