What is TypeScript
TypeScript is a superset of JavaScript that adds a static type system and compiles to run in JavaScript.
Type Annotation
Specify types for variables, function parameters, and return values to detect errors in advance.
Interface and Type Aliases
Interface defines object structure, type defines type alias.
generic
Write reusable universal components that support multiple types.
Advanced type
Joint type, cross type, type guard, type assertion.
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