JavaScript Basics

📄️ Basic concepts

In this tutorial you will learn basic concepts of JavaScript, the most popular and widely used programming language in the world.

Learn what variables are in JavaScript, how to declare them correctly with var, let, and const, and their importance in programming.

Learn what basic JavaScript operators are and how to use them: arithmetic, comparison, logical, and assignment operators, with simple examples.

Learn about data types in JavaScript: primitives and objects. Learn how to use them in your code step by step with practical examples.

Functions in JavaScript - A Beginner's Guide with Examples

Objects in JavaScript are data structures that allow you to store multiple values and related functionalities in a single entity.

Learn about control statements in JavaScript, including conditionals and loops, with practical examples to improve your code step by step.

Master array methods in JavaScript. Learn to manipulate and transform arrays with clear examples and practical exercises.

Learn what JSON is and how to use it in JavaScript. Discover how to read, create, and manipulate data with simple examples for beginners.

Learn how to use Local Storage in JavaScript step by step. Save, read, and delete data in your browser with practical examples for beginners.

Learn how to handle DOM events in JavaScript. Discover how to use addEventListener, event types, and practical step-by-step examples.