Typescript Crash Course 📝💥

What is it?

• Superset of Javascript developed by Microsoft
• Compiles back to plain Javascript
• Can integrate with JS projects
• Designed for development of larger apps

Features

• Static type checking
• Class based objects
• Modularity
• ES6 Features
• Syntax closer to Java/Scala
• Allows for better tooling

Static Type Checking

We can check and assign variable, parameter and function types.

• Optional
• Prevents type issues and potential future issues
• Make code more readable and descriptive

Class Based Objects

• Use Object Oriented programming in JS
• No prototypes
• Encapsulation
• Inheritance
• Access Modifiers // [public, protected, private]

Available Types

• String
• Number
• Boolean
• Array
• Any
• Void
• Null
• Tuple // array with fixed values
• Enum
• Generics