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Web & Full-Stack DevelopmentDometrain2025-5 Edition100% Free Video Course

Deep Dive: TypeScript

Deep Dive into TypeScript is a comprehensive course designed to equip developers with a thorough understanding of TypeScript and its powerful features that enhance JavaScript development. Whether you’re transitioning from JavaScript or just starting out, this course provides comprehensive coverage of TypeScript’s capabilities for building scalable, maintainable, and type-safe applications. In this Deep Dive into TypeScript course, legendary instructor Corey House will teach you everything you need to take your basic TypeScript knowledge to the next level and master features like generics, decorators, validation, and more.The course starts with TypeScript basics like static typing, type inference, interfaces, and advanced types like unions, intersections, and generics. It then goes into object-oriented programming concepts, including classes, access modifiers, inheritance, and abstract classes. It also covers real-world debugging, compilation options, code organization, and porting existing JavaScript projects to TypeScript. By the end of the course, you’ll be able to use TypeScript to build robust, fault-tolerant applications at scale.

5.0
(1 reviews)
9.7 Hours On-Demand
Created by Senior Industry Specialist
Uploaded Sep 2026
English
Deep Dive: TypeScript
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Free$129.99100% Free

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Course Features:
9.7 hours on-demand video
226 complete lectures
1 downloadable project zip file(s)
Streamable on mobile, tablet & desktop
Self-paced curriculum with progress tracking
Direct MP4 downloads & offline video access
Verified course archives hosted on cloud infrastructure.

What You'll Master in this Course

Effectively restricting types
Using built-in functional types
Implementing generics
Converting types via mapped types
Reconstructing functional types
Runtime validation
Decorator typing
Advanced features and techniques
And…

Course Curriculum226 Lectures

1 sections • 9.7 hours total length

Prefer offline learning? Download all 226 video lectures and project files for free.
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Exercise-typeof
Preview
1m
Who-is-the-course-for-and-prerequisites
Preview
2m
Narrowing-via-typeof-Type-Guard
1m
Intro-to-Type-Narrowing
5m
Welcome
2m
Narrowing-via-Truthiness
2m
What-will-you-learn-in-this-course
9m
Exercise-Narrowing-via-Truthiness
1m
Answers-Narrowing-via-Truthiness
1m
Narrowing-via-Equality-Checking
1m
Answers-typeof
1m
Exercise-Narrowing-via-Equality-Checking
1m
Answers-Narrowing-via-Equality-Checking
1m
Narrowing-via-the-in-Operator
2m
Exercise-Narrowing-via-the-in-Operator
1m
Answer-Narrowing-via-the-in-Operator
1m
Narrowing-via-instanceOf
1m
Exercise-Narrowing-via-instanceOf
1m
Exercise-Narrowing-via-Control-Flow
1m
Narrowing-via-Control-Flow
1m
Answers-Narrowing-via-instanceOf
1m
Answers-Narrowing-via-Control-Flow
1m
Exercise-Narrowing-via-a-Type-Predicate
1m
Narrowing-via-a-Type-Predicate
3m
Answers-Narrowing-via-a-Discriminated-Union
1m
Exercise-Narrowing-via-a-Discriminated-Union
1m
Answers-Narrowing-via-a-Type-Predicate
2m
Narrowing-via-a-Discriminated-Union
2m
Narrowing-via-an-Assertion-Function
1m
Exercise-Narrowing-via-an-Assertion-Function
1m
Exercise-Narrowing-via-Exhaustiveness-Checking
1m
Answers-Narrowing-via-an-Assertion-Function
1m
Answers-Narrowing-via-Exhaustiveness-Checking
1m
Narrowing-via-Exhaustiveness-Checking
3m
Exercise-Narrowing-via-satisfies
1m
Narrowing-via-satisfies
5m
Answer-Narrowing-via-satisfies
1m
Exercise-Narrowing-via-a-Type-Assertion
1m
Narrowing-via-a-Type-Assertion
4m
Answer-Narrowing-via-a-Type-Assertion
2m
Narrowing-via-a-Non-null-Assertion
3m
Exercise-Narrowing-via-a-Non-null-Assertion
1m
Answers-Narrowing-via-a-Non-null-Assertion
1m
Exercise-Typing-this
1m
Answers-Typing-this
1m
Typing-this
8m
Summary
4m
Pick-and-Omit
2m
Exercise-Pick-and-Omit
1m
Answers-Pick-and-Omit
1m
Intro-to-Utility-Types
3m
Exercise-Partial
1m
Answers-Partial
2m
Exercise-Required
1m
Required
1m
Answers-Required
1m
Partial
3m
Exercise-Readonly-and-ReadonlyArray
1m
Answers-Readonly-and-ReadonlyArray
1m
Exercise-Exclude
1m
Exclude
1m
Answers-Exclude
1m
Exercise-Extract
1m
Readonly-and-ReadonlyArray
1m
Answers-Extract
1m
String-Manipulation-Utilities
2m
Exercise-String-Manipulation-Utilities
1m
Answers-String-Manipulation-Utilities
1m
Built-in-Utility-Types-Summary
2m
Other-Built-in-Utility-Types
7m
Exercise-Implementing-Generics
1m
Third-Party-Utility-Types
3m
Intro-to-Implementing-Generics
13m
Generic-Function-Types
2m
Answers-Implementing-Generics
3m
Answers-Generic-Function-Types
1m
Generic-Interfaces
4m
Answers-Generic-Interfaces
1m
Exercise-Generic-Interfaces
1m
Generic-Classes
1m
Answers-Generic-Classes
1m
Exercise-Generic-Classes
1m
Generic-Constraints-via-Extends
9m
Exercise-Generic-Constraints-via-Extends
2m
Answers-Generic-Constraints-via-Extends
5m
Const-Modifier
4m
Exercise-Const-Modifier
1m
Exercise-Generic-Function-Types
1m
Answers-Const-Modifier
1m
Default-Type-Arguments
6m
Exercise-Default-Type-Arguments
1m
Answers-Default-Type-Arguments
3m
Exercise-Pushing-Type-Params-Down
1m
Answers-Pushing-Type-Params-Down
1m
Generics-Best-Practices
4m
Exercise-Eliminating-Needless-Type-Arguments
1m
Exercise-Implement-a-Mapped-Type
1m
Intro-to-Mapped-Types
6m
Answers-Implement-a-Mapped-Type
1m
Answers-Eliminating-Needless-Type-Arguments
1m
Exercise-Template-Literal-Types
1m
Template-Literal-Types
5m
Answers-Template-Literal-Types
1m
keyof
5m
Pushing-Type-Params-Down
4m
Exercise-keyof
1m
Answers-keyof
1m
Exericse-typeof
1m
Answers-typeof- 2
2m
Indexed-Access
9m
typeof
3m
Exercise-Indexed-Access
1m
Answers-Indexed-Access
3m
Exercise-Conditional-Types
1m
Conditional-Types
7m
Extract
1m
Exercise-infer
1m
Answers-Conditional-Types
3m
infer
11m
Answers-infer
2m
Exercise-Looping-via-the-in-Operator
1m
Looping-via-the-in-Operator
8m
Answers-Looping-via-the-in-Operator
2m
Exercise-Remapping-Properties-via-as
1m
Remapping-Properties-via-as
7m
Recursion-in-Mapped-Types
2m
Answers-Remapping-Properties-via-as
1m
Exercise-Recursion-in-Mapped-Types
1m
Answers-Recursion-in-Mapped-Types
2m
JS-vs-TS-Syntax-Comparision
4m
Intro-to-Utility-Types- 2
3m
Exercise-MyPartial
1m
Answers-MyPartial
1m
Exercise-MyRequired
1m
Answers-MyRequired
1m
Answers-MyReadonly
1m
Exercise-MyPick
1m
Answers-MyPick
1m
Exercise-MyRecord
1m
Exercise-MyReadonly
1m
Answers-MyRecord
2m
Exercise-MyExclude
1m
Answers-MyExclude
1m
Exercise-MyOmit
1m
Exercise-MyExtract
1m
Answers-MyExtract
1m
Exercise-MyNonNullable
1m
Exercise-RecursivePartial
1m
Answers-MyNonNullable
2m
Answers-RecursivePartial
1m
Intro-to-Runtime-Validation
7m
Exercise-Declaring-Zod-Schemas
1m
Declaring-Zod-Schemas
6m
Answers-Declaring-Zod-Schemas
1m
Nullable-and-Optional
1m
Zod-Utility-Types
1m
Implementing-Custom-Validation-via-Refine
1m
Validating-URL-Params-via-Zod
5m
Validating-at-Runtime-in-Web-Apps
7m
Answers-MyOmit
1m
Validating-localStorage-via-Zod
2m
Validating-a-File-via-Zod
3m
Validating-Environment-Variables-via-Zod
2m
Suggested-Next-Steps
3m
Understanding-Decorator-Implementations
5m
Validating-Forms-via-Zod
2m
Intro-to-Decorators
9m
Context-Parameter
3m
Typing-Decorators-and-Invocation-Order
4m
Decorating-Methods
6m
Exercise-Decorating-Methods
1m
Answers-Decorating-Methods
1m
Decorating-Getters-and-Setters
6m
Exercise-Decorating-Getters-and-Setters
1m
Answers-Decorating-Getters-and-Setters
1m
Exercise-Decorating-Fields
1m
Validating-API-Responses-via-Zod
3m
Decorating-Fields
1m
Answers-Decorating-Fields
1m
Answers-Decorating-Classes
1m
Exercise-Decorating-Classes
1m
Implementing-Universal-Decorators
3m
Decorating-Classes
2m
Accepting-Arguments-via-a-Decorator
5m
Exercise-Accepting-Arguments-via-a-Decorator
1m
Composing-Multiple-Decorators
1m
Answers-Accepting-Arguments-via-a-Decorator
1m
Exercise-Composing-Multiple-Decorators
1m
Answers-Composing-Multiple-Decorators
2m
Intro
2m
Decorator-Tradeoffs
5m
Exercise-Accepting-Random-Strings-via-Loose-Autocomplete
1m
Answer-Accepting-Random-Strings-via-Loose-Autocomplete
1m
Named-Tuples
2m
Exercise-Named-Tuples
1m
Accepting-Random-Strings-via-Loose-Autocomplete
2m
Type-only-Imports-and-Exports
9m
Answer-Named-Tuples
1m
Understanding-Optional-Keys-vs-Optional-Values
1m
Handling-Excess-Properties
3m
Typing-Object.keys
2m
Working-with-Evolving-anys
3m
Naming-Values-and-Types-the-Same
3m
Disabling-TypeScript-via-Comments
2m
Working-with-JS-Array-Methods
2m
Exercise-Simulating-Nominal-Types-via-Branded-Types
1m
Typing-Symbols
5m
Simulating-Nominal-Types-via-Branded-Types
12m
Answers-Simulating-Nominal-Types-via-Branded-Types
1m
Exercise-Testing-Types
1m
Testing-Types
7m
Answers-Testing-Types
1m
Answers-Using-JSDocs-to-Type-JS-Files
1m
Using-JSDocs-to-Type-JS-Files
12m
Intro-to-tsconfig-Settings
1m
Migrating-from-JavaScript-to-TypeScript
11m
Exercise-Using-JSDocs-to-Type-JS-Files
1m
Avoiding-Configuring-From-Scratch
9m
Configuring-TypeScript-for-the-Strictest-Settings
14m
Debugging-via-Sourcemaps
3m
Optimizing-for-Performance
10m
Intro- 2
1m
Typing-Errors-Effectively
6m
Linting-TypeScript
9m
Generating-Types
5m
Wrap-up-and-Next-Steps
3m

Requirements

  • Basic enthusiasm to learn and follow along with lessons
  • A computer or mobile device with a modern internet connection

Description

Deep Dive into TypeScript is a comprehensive course designed to equip developers with a thorough understanding of TypeScript and its powerful features that enhance JavaScript development. Whether you’re transitioning from JavaScript or just starting out, this course provides comprehensive coverage of TypeScript’s capabilities for building scalable, maintainable, and type-safe applications. In this Deep Dive into TypeScript course, legendary instructor Corey House will teach you everything you need to take your basic TypeScript knowledge to the next level and master features like generics, decorators, validation, and more.The course starts with TypeScript basics like static typing, type inference, interfaces, and advanced types like unions, intersections, and generics. It then goes into object-oriented programming concepts, including classes, access modifiers, inheritance, and abstract classes. It also covers real-world debugging, compilation options, code organization, and porting existing JavaScript projects to TypeScript. By the end of the course, you’ll be able to use TypeScript to build robust, fault-tolerant applications at scale.

Instructor

S

Senior Industry Specialist

Specialist in Web & Full-Stack Development

Passionate educator focused on real-world practical skills, modern frameworks, and production-ready engineering practices. Delivering step-by-step masterclasses accessible to learners globally on MJ Accedemy.

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