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.