TypeScript Quizzes (MCQs)

Phase 1 The Essentials Static Typing Basics
Basic Static Types string, number, boolean, any, void
01_TYPES 
Arrays & Tuples Typed arrays, Fixed-length, Readonly
02_COLLECTION 
Any, Unknown & Never Safe typing, Unreachable code
03_SPECIAL 
Annotations & Inference Explicit definitions vs Guessed types
04_INFER 
Functions & Signatures Return types, Optional (?), Default values
05_FUNC 
Phase 2 Structuring Data Intermediate Logic
Interfaces vs Types Extending, Intersection (&), Definitions
06_STRUCT 
Union & Narrowing Type Guards (typeof, instanceof, in)
07_GUARD 
Enums Numeric, String, Const enums
08_ENUM 
Classes & Access Private, Protected, Abstract, Readonly
09_CLASS 
Literal Types String literals, Template literal types
10_LITERAL 
Phase 3 Power Features Advanced Development
Generics & Constraints Reusable components & extends
11_GENERIC 
Utility Types Partial, Pick, Omit, Record
12_UTIL 
Keyof & Typeof Dynamic typing from runtime data
13_DYNAMIC 
Indexed Access Looking up property types [key]
14_INDEX 
Phase 4 TypeScript Mastery Expert Logic & Config
Mapped & Conditional Logic in types, Iterating keys, infer
15_LOGIC 
Assertions & Casting as, Non-null (!), Double Assertion
16_ASSERT 
Modules & Namespaces Import/Export, Ambient modules
17_MOD 
TSConfig Strict mode, Target, ModuleResolution
18_CONFIG 