Free JavaScript Course

Introduction to JavaScript

star 4.46  Beginner level 3.75 learning hrs 115.7K+ Learners

Learn JavaScript from the basics and build a strong foundation in programming concepts, functions, arrays, objects, and interactive web development through a beginner-friendly Free Javascript course.

Instructor:

Mr. Faizan Parvez

Key Highlights

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About this course

Learn JavaScript from the ground up with this free JavaScript course for beginners. This course introduces the core concepts of JavaScript and helps you build a strong foundation in programming and web development.

You’ll learn essential JavaScript concepts including variables, data types, operators, conditional statements, loops, functions, arrays, and objects. The course also helps you understand how JavaScript is used to add logic and interactivity to web pages.

Designed for beginners, the course takes you through JavaScript concepts step by step, making it easier to understand programming fundamentals and apply them in practical scenarios.

By the end of the course, you’ll have a solid understanding of JavaScript fundamentals and the foundational skills needed to continue learning areas such as advanced JavaScript, frontend development, React, and web development.

Key Learning Outcomes:

  • Understand JavaScript syntax and core programming concepts.
  • Work with variables, data types, operators, and control flow.
  • Use functions, arrays, and objects in JavaScript.
  • Build a foundation for interactive web development.
  • Develop the skills needed to progress to advanced JavaScript and frontend technologies.


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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

115.7K+ 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

India
“The Course Was Super Easy to Understand”
The course was exceptionally well-designed, making the material easy to understand and follow. The explanations were clear, and the concepts were broken down into manageable parts, which helped me grasp the topics effortlessly. I appreciated the straightforward teaching approach, as it allowed me to quickly build my understanding without feeling overwhelmed. Overall, the course was engaging and accessible, making it an enjoyable learning experience!
Reviewer Profile

4.0

India
“JavaScript: It's Easy to Understand the Way of Teaching”
It's easy to understand the concepts, and it provides a free and useful certificate. Thank you, Great Learning.
Reviewer Profile

5.0

India
“Highlights of This JavaScript Learning Course”
Comprehensive Curriculum: The course covered all essential topics in JavaScript, from basics to advanced concepts. Interactive Learning: Engaging exercises, quizzes, and projects helped reinforce learning. Real-World Examples: Relevant examples and case studies made concepts easier to understand. Expert Instruction: Instructors were knowledgeable and explained concepts well.
Reviewer Profile

5.0

India
“Informative and Practical JavaScript Course”
The JavaScript course on Great Learning is well-structured and beginner-friendly, with clear explanations and useful coding exercises. I appreciated the interactive quizzes and the thorough coverage of key topics. However, the pacing could be slower for more advanced topics, and the live code editor could be more intuitive. Adding more real-world projects and a community forum for discussions would improve the experience. Overall, it’s a solid course for learning the basics of JavaScript.
Reviewer Profile
Muhammad Najam

5.0

“A Great Introduction to JavaScript!”
The course provided an excellent foundation for beginners. The explanations were clear, and the examples were very practical. I feel much more confident with JavaScript now, and I appreciate how it covered everything from basic syntax to functions and loops. Highly recommended for anyone just starting their JavaScript journey!
Reviewer Profile
suman pervaiz

5.0

“Valuable Learning Experience with Clear Examples”
I recently completed the 'Introduction to JavaScript' course on Great Learning. The course provided a strong foundation with clear explanations and practical examples. It was concise yet packed with valuable insights, making it an excellent starting point for beginners.
Reviewer Profile

5.0

India
“Covered JavaScript Content in 2 Hours and 30 Minutes”
I covered the JavaScript content in 2 hours and 30 minutes. It was a great opportunity to review the material, and the instructor clearly explained the content. I also liked the quiz part for applying the knowledge.
Reviewer Profile

5.0

“Great Course for Beginners in JavaScript”
Nice course for beginners to learn JavaScript, covering most basic topics. I suggest adding map and object to the course.
Reviewer Profile

5.0

India
“Best Choice for JavaScript Beginners”
Nice course for beginners, explained every topic with live examples.
Reviewer Profile

5.0

South Africa
“An Excellent In-Depth Introduction to JavaScript”
I really enjoyed the content of this course. I was able to get a great introduction to JS, and the examples given helped me practice on my own.

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 JavaScript course suitable 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 coding experience to learn JavaScript?

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



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.

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

The total duration of the Introduction to JavaScript course is 3.75 hours. You can, however, learn it at your convenience since the course is self-paced. 

What jobs can I get with JavaScript skills?

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.

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. 

Who is eligible to take this Introduction to JavaScript course?

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

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