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00:00 Introduction
04:15 Installation and setup
12:32 What is typescript
16:24 Inference
25:13 Primitives
30:06 Special types
37:20 Objects
48:10 Literals
50:58 Assertions
56:59 As const
01:00:00 Unions
01:08:42 Intersections
01:15:20 Array basics
01:19:11 Read only arrays
01:24:15 Tuples
01:28:59 Param annotations
01:35:20 Optional and defaults
01:41:55 Rest tuples
01:49:30 Return types
01:54:27 Interface basics
02:01:35 Type aliases
02:06:50 Interfaces vs types
02:11:27 Index signatures
02:17:57 Typeof date, instanceof etc
02:27:00 In operator and optional nullish
02:40:52 Generics 101
02:50:15 Generics constraints
03:00:10 Generics get prop
03:07:30 Utils
03:23:12 Function utils
03:32:15 Union helpers
03:40:20 Awaited utils & promises
03:46:40 Classes constuctors
03:51:20 Access modifiers - private and public
03:56:29 Access modifiers protected
03:59:55 Getters and setters
04:04:33 React vite typescript setup
04:07:59 Required and optional props
04:15:05 Default props
04:20:11 Children & Reactnode
04:25:00 As const
04:29:53 Component props
04:41:10 Working with state & useState
04:50:41 Events
05:01:12 With UseReducer hook
05:13:58 Uncontrolled elements
05:25:04 Context and UseContext
A 5.5-hour beginner-friendly TypeScript course: when to annotate vs infer, unions & intersections, arrays/tuples, functions, interfaces vs type aliases, narrowing (typeof, instanceof, in, ?., ??), generics (constraints, keyof, helpers), utility types (Partial, Pick, Omit, Record, Exclude, Extract, NonNullable, Awaited), plus OOP basics. Includes a React + TS section: typed props, state, events, context, and custom hooks.
What you’ll learn
How and when to write types vs rely on inference
Core types, objects, arrays/tuples, functions, and call signatures
Unions and intersections to model real-world data
Interfaces vs type aliases, and where each shines
Control-flow narrowing with typeof, instanceof, in, ?., and ??
Generics you’ll actually use, with safe constraints and helper patterns
Essential built-in utility types you’ll reach for every day
Class syntax in TS and how OOP features map to types
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