Introduction to JavaScript


JavaScript is a widely used web-based programming language that powers the dynamic behavior on most websites, including this one.

In this lesson, you will learn about data types and built-in methods, essential knowledge for all aspiring JavaScript developers. When you finish, you'll know how to write programs that solve mathematical expressions, compute the length of a word, and generate random numbers.

This lesson covers the building blocks of JavaScript. Make sure to take notes and pace yourself. This foundation will set you up for understanding more complex concepts later.


Move to the next exercise when you're ready to begin.

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