TypeScript Skill Overview
Welcome to the TypeScript Skill page. You can use this skill
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- Category: Technical > Programming languages
Description
TypeScript is a statically typed superset of JavaScript that adds optional types, classes, and modules to the language, enhancing code quality and understandability. It provides advanced features like generics, interfaces, and decorators which help in writing robust code. TypeScript also supports object-oriented programming concepts such as classes, objects, and inheritance. It includes advanced data types and control structures for more complex coding scenarios. With TypeScript, you can write cleaner, self-documenting code that scales well for large-scale applications. Understanding and mastering TypeScript requires learning and applying these various features and concepts effectively.
Expected Behaviors
Micro Skills
Awareness of TypeScript as a superset of JavaScript
Knowledge of the benefits of using TypeScript
Understanding of how TypeScript compiles to JavaScript
Familiarity with JavaScript syntax
Understanding of JavaScript data types
Awareness of basic JavaScript functions and control structures
Understanding of the concept of static typing
Awareness of the benefits of static typing
Basic knowledge of how static typing works in TypeScript
Understanding of what classes are
Awareness of what interfaces are
Basic knowledge of how classes and interfaces work in TypeScript
Understanding of 'let' keyword
Understanding of 'const' keyword
Knowledge of variable scope
Knowledge of number type
Knowledge of string type
Understanding of boolean type
Familiarity with 'null' and 'undefined' types
Awareness of 'any' type
Understanding of function declaration
Knowledge of function expression
Ability to use arrow functions
Understanding of function parameters and return type
Understanding of 'if' statement
Knowledge of 'for' loop
Understanding of 'while' loop
Familiarity with 'switch' statement
Ability to declare and initialize an array
Understanding of array methods
Knowledge of how to declare and use tuples
Understanding of class declaration
Knowledge of object creation
Ability to use constructors
Understanding of instance variables and methods
Understanding of enums and their usage
Knowledge of 'any' type and its implications
Understanding of 'void' type and its usage in functions
Knowledge of 'never' type and its usage
Ability to define generic functions
Understanding of generic interfaces
Knowledge of generic classes
Ability to use constraints in generics
Understanding of how to declare a namespace
Knowledge of how to import and export modules
Ability to use nested namespaces
Understanding of module resolution strategies
Understanding of class decorators
Knowledge of method decorators
Ability to use property decorators
Understanding of parameter decorators
Knowledge of 'public' modifier and its usage
Understanding of 'private' modifier and its implications
Ability to use 'protected' modifier in classes
Understanding of how to declare an interface
Knowledge of optional properties in interfaces
Ability to use readonly properties in interfaces
Understanding of indexable types in interfaces
Knowledge of extending interfaces
Ability to use angle-bracket syntax for type assertion
Understanding of 'as' syntax for type assertion
Knowledge of when to use type assertions
Understanding of how to declare optional parameters
Knowledge of how to assign default values to parameters
Ability to use optional parameters and default parameters in function signatures
Understanding of rest parameters
Knowledge of function overloading
Knowledge of how to declare an abstract class
Understanding of abstract methods
Understanding of static properties
Knowledge of getter/setter methods
Understanding of extending interfaces
Knowledge of optional properties
Ability to use typeof type guards
Knowledge of instanceof type guards
Understanding of user-defined type guards
Understanding of readonly, partial, required, pick, record mapped types
Understanding of distributive conditional types
Knowledge of the infer keyword
Ability to use the index type query operator
Knowledge of the indexed access operator
Understanding of keyof and T[K]
Understanding of generic constraints
Knowledge of keyof operator
Ability to use type in a generic class
Understanding of accessor decorators
Familiarity with parameter decorators
Understanding of dynamic imports
Knowledge of export as namespace
Understanding of merging namespaces
Ability to disambiguate signatures
Knowledge of user-defined type guards
Understanding of typeof type guards
Ability to use instanceof type guards
Understanding of readonly
Knowledge of partial
Ability to use required
Familiarity with pick
Understanding of record
Knowledge of infer keyword
Knowledge of index type query operator
Understanding of indexed access operator
Working with keyof and T[K]
Tech Experts
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