Free JavaScript Course

Introduction to JavaScript

star 4.46  Beginner level 3.75 learning hrs 115.8K+ 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

115.8K+ learners enrolled so far

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Learner reviews of the Free Courses

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Reviewer Profile

5.0

★★★★ ★
India
“Vinay Gupta's Experience with the Online JavaScript Course: Learning Core Programming Concepts”
Vinay Gupta’s experience with the online JavaScript course was enriching, as it deepened his understanding of core programming concepts such as variables, data types, functions, loops, and event handling. The course included practical coding exercises and real-world examples, enhancing his problem-solving abilities and proficiency in writing dynamic, interactive web applications. It also introduced advanced topics like object manipulation, asynchronous programming, and DOM manipulation.
Reviewer Profile

5.0

★★★★ ★
India
“The Inclusion of Real-World Examples Made the Course Engaging”
I thoroughly enjoyed the JavaScript course. The content was well-organized, starting with the fundamentals and gradually moving into more advanced topics. The explanations were clear, and the instructor did a fantastic job of breaking down complex concepts in an easy-to-understand manner. I particularly appreciated the hands-on exercises and coding challenges that helped solidify my understanding.
Reviewer Profile

5.0

★★★★ ★
India
“The 'Introduction to JavaScript' Course from Great Learning Provides a Solid Foundation”
The 'Introduction to JavaScript' course from Great Learning provides a solid foundation for anyone looking to grasp the fundamentals of JavaScript. It typically covers essential topics such as variables, data types, functions, and control structures, making it suitable for beginners. The course is often structured with a mix of theoretical concepts and practical exercises, which helps reinforce learning through hands-on coding.
Reviewer Profile

5.0

★★★★ ★
“Clear and Practical Insights into Learning JavaScript”
The content was clear and helpful, making it easier for me to understand JavaScript. I especially liked how concepts like coercion and type systems were explained. The interactive examples made things clearer, and the course was well-organized, so it was easy to follow. The instructor also shared practical tips, which made learning fun and useful.
Reviewer Profile

5.0

★★★★ ★
“The JavaScript Basics Course Provided a Solid Foundation”
The JavaScript Basics course provided a solid foundation for understanding key concepts. The interactive examples were particularly helpful in illustrating how different methods and operators work in real-time. I also appreciated the clear and concise explanations, which made complex topics much easier to grasp. Overall, this course has significantly enhanced my confidence in using JavaScript for programming projects.
Reviewer Profile

5.0

★★★★ ★
India
“Unleashing Potential: My Learning Journey with Great Learning”
Learning with Great Learning has been transformative, offering in-depth, practical insights into web development. The platform’s structured modules, interactive sessions, and industry-relevant projects have enhanced my skills and confidence. I appreciate the hands-on approach, allowing me to apply concepts in real-world scenarios and connect with a supportive community of learners and mentors.
Reviewer Profile

5.0

★★★★ ★
India
“Completely Satisfied with This JavaScript Course”
I recently completed the JavaScript course. I'm extremely satisfied with the learning experience. The course content was well-structured, and the explanations were clear and concise. The interactive exercises and projects helped me apply my knowledge effectively.
Reviewer Profile

5.0

★★★★ ★
Morocco
“An Excellent JavaScript Course I Really Understand”
An Excellent JavaScript Course offers a clear and in-depth learning experience, covering core concepts and practical examples. It focuses on fundamental and advanced topics, ensuring a solid understanding of JavaScript for real-world development.
Reviewer Profile

4.0

★★★ ★ ☆
India
“The Certificate Proves Fundamental Understanding of JavaScript Concepts and Syntax”
High-quality, up-to-date content that matches industry standards. Well-structured learning paths that progressively build knowledge. Use of real-world case studies and practical examples to reinforce concepts. Include more hands-on assignments or interactive projects for practical exposure. Add more advanced topics for those looking to dive deeper into niche areas. Instructors: Strengths: Expert instructors with strong industry backgrounds. Clear and concise explanations that make complex topics easier to understand.
Reviewer Profile

4.0

★★★ ★ ☆
India
“With the Help of Great Learning, I Was Able to Learn the Basics of JavaScript”
From this course, I learned the basics of JavaScript, and I'm very enthusiastic and eager to learn more about JS and its frameworks.

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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