This compact course will introduce you to TypeScript using a practical, demo-first approach. In this course, A Practical Start with TypeScript, you will cover all of the main language features in TypeScript, enabling you to write structured browser code for your app. First, you'll go over the foundations and basics of the TypeScript language, getting you prepared to write it. Next, you will see how to use inheritance, polymorphism, and interfaces in TypeScript. Finally, you will get an explanation of several options to further structure your code, especially with bigger projects. By the end of this course, you'll have the knowledge to feel ready to write your own TypeScript app.