2024-05-06 20:40:05 +00:00
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---
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2024-10-30 17:04:36 +00:00
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date: 20200929
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2024-05-06 20:40:05 +00:00
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id: 89671783-1085-4a00-9147-a377db9b19bc
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title: TypeScript
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---
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# Basic Annotations
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- [Primitive Types](20200929161544-primitive_types)
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- [Arrays](20200929162129-arrays)
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- [Inline Type Annotation](20200929162417-inline_type_annotation)
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# Type System
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- [Ambient Declarations](20200930105954-ambient_declarations)
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- [Interfaces](20200929162220-interfaces)
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- [Enums](20200930110721-typescript_enums)
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- [lib.d.ts](20201001105545-lib_d_ts)
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- [Functions](20201001110806-typescript_functions)
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- [Callable](20201001112126-typescript_callable)
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- [Type Assertion](20201002101745-typescript_type_assertion)
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- [Type Guard](20201002102455-typescript_type_guard)
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- [Literal Types](20201002103357-typescript_literal_types)
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- [Readonly](20201005171253-readonly)
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- [Generics](20200929163051-typescript_generics)
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- [Intersection Type](20200929163316-typescript_intersection_type)
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- [Tuple Type](20200929163624-typescript_tuple_type)
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- [TypeScript Type Alias](20200929163825-typescript_type_alias)
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- [Never Type](20201007095614-typescript_never_type)
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- [Index Signatures](20201008092225-index_signatures)
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- [Classes](20201009104411-typescript_classes)
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## Unions
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- [Union Type](20200929163219-typescript_union_type)
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- [Discriminated Union](20201007101133-typescript_discriminated_union)
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# Related pages
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- [JavaScript](20200613170905-javascript)
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# Books
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- [TypeScript Deep Dive](https://basarat.gitbook.io/typescript/)
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- [Style Guide](https://basarat.gitbook.io/typescript/styleguide)
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# Changes
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- [TypeScript 4.0](20201009104050-typescript_4_0)
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