JavaScript Functions Explained for Beginners
Learn how to define and call JavaScript functions, work with parameters and return values, and use the shorter arrow function syntax.
JavaScript Basics
Understanding Variables in JavaScript: var, let, and const
Learn the difference between var, let, and const in JavaScript, and which one you should use by default in modern code.
How to Add JavaScript to an HTML Page: Choosing Between defer, async, and Modules
Learn the two ways to connect JavaScript to an HTML page, where to place your script tag, and the most common mistake beginners make.
The Language Built in 10 Days That Now Runs Everywhere: What JavaScript Actually Is
Wondering what makes websites interactive? Learn what JavaScript is, where it runs, and what beginners can build with it.