Build JavaScript applications using TypeScript

In this module, you'll:

• Learn how TypeScript is an improvement over JavaScript for web development.
• Select a TypeScript editor.
• Install TypeScript.
• Set up a TypeScript project in Visual Studio Code.

In this module, you will learn how to:

• Explain the advantages of declaring typed variables in TypeScript.
• Declare variables using primitive types.
• Declare variables using object types.
• Declare variables using union and intersection types.

In this module, you will learn how to:

• Explain the reasons for using an interface in TypeScript.
• Declare and instantiate an interface.
• Extend an interface.
• Declare an interface with custom array types.

In this module, you will learn how to:

• Explain the benefits of using types in functions.
• Write functions that have required, optional, default, and rest parameters.
• Define function types using type aliases or interfaces.

In this module, you will:

• Explain how you can use TypeScript classes describe the shape of objects.
• Declare a class using TypeScript.
• Instantiate a class using TypeScript.
• Apply access modifiers to a class.
• Define static properties in a class.
• Declare a class that extends another class.
• Declare an interface to ensure class shape.
• Determine when to use an interface or a class to define the structure of an object.

In this module, you will:

• Identify use cases for generics.
• Define a generic function.
• Declare a generic interface.
• Declare a generic class.
• Implement generic constraints.

You will learn how to:

• Organize code using modules.
• Import an external type library.

In this module, you will learn how to:

• Explain the purpose of namespaces.
• Implement single-file namespaces.
• Implement multi-file namespaces.
• Explain the design considerations for using namespaces and modules.

• Introduction
• Overview of TypeScript
• Exercise - Select a TypeScript editor
• Exercise - Install the TypeScript compiler
• Compile a TypeScript file
• Exercise - Set up a TypeScript project
• Knowledge check
• Summary

• Introduction
• Overview of types in TypeScript
• Primitive types in TypeScript
• Exercise - enums
• Any and unknown types in TypeScript
• Union and intersection types in TypeScript
• Collection types in TypeScript
• Lab - Use types in TypeScript
• Knowledge check
• Summary

• Introduction
• Overview of interfaces in TypeScript
• Exercise - Declare and instantiate an interface in TypeScript
• Exercise - Extend an interface in TypeScript
• Other ways to use interfaces in Typescript
• Lab - Use interfaces in TypeScript
• Knowledge check
• Summary

• Introduction
• Create functions in TypeScript
• Exercise - Create functions
• Fun with parameters
• Exercise - Fun with parameters
• Exercise - Define function types
• Lab - Use functions in TypeScript
• Knowledge check
• Summary and resources

• Introduction
• Introduction to classes in TypeScript
• Exercise- Create a class
• Exercise - Instantiate a class
• Access modifiers
• Exercise - Apply access modifiers to a class
• Define static properties
• Extend a class using inheritance
• Exercise - Extend a class
• Exercise - Declare an interface to ensure class shape
• Design considerations
• Lab - Convert three TypeScript functions to a class definition
• Knowledge check
• Summary

• Introduction
• Introduction to generics
• Use the methods and properties of a generic type
• Exercise - Implement generics with interfaces and classes
• Implement generics with custom types and classes
• Lab - Declare a class by using a generic
• Knowledge check
• Summary

• Introduction
• Organize code with modules
• Exercise - Export and import module components
• Exercise - Compile modules
• Exercise - Access external type libraries
• Lab - Export and import module components
• Knowledge check
• Summary

• Introduction
• Introduction to TypeScript namespaces
• Exercise - Organize code by using single file namespaces
• Organize code by using multi-file namespaces
• Design considerations
• Lab - Organize code with namespaces
• Knowledge check
• Summary