TypeScript Objects

What are Objects?

Objects store data as key-value pairs.

TypeScript allows you to define types for object properties.

Basic Typed Object

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Accessing Properties

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Modifying Objects

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Nested Objects

Objects can contain other objects.

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Optional Properties

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Readonly Properties

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Object Methods

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Using Interfaces

Interfaces provide a cleaner way to define object types.

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Full Example

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Why Objects are Important

  • Store structured data
  • Used in APIs
  • Core part of applications
  • Combine data and behavior

Common Mistakes

  • Missing required properties
  • Incorrect types
  • Not using interfaces when needed

Practice

Create a typed object for a student with name, age, and a method to print details.

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