TypeScript: 演练场 - 一个用于 TypeScript 和 JavaScript 的在线编辑器

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了解 TypeScript 如何使用最少的附加语法改善 JavaScript 的日常使用。
JavaScript Essentials
Hello World
Objects and Arrays
Functions
Code Flow
Functions with JavaScript
Generic Functions
Typing Functions
Function Chaining
Working With Classes
Classes 101
This
Generic Classes
Mixins
Modern JavaScript
Async Await
Immutability
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TypeScript with Web
TypeScript with React
TypeScript with Deno
TypeScript with Node
TypeScript with WebGL
Helping with JavaScript
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Errors
探索 TypeScript 如何扩展 JavaScript，使其更安全，更便利。
Primitives
Any
Literals
Union and Intersection Types
Unknown and Never
Type Primitives
Tuples
Built-in Utility Types
Nullable Types
Meta-Types
Conditional Types
Discriminate Types
Indexed Types
Mapped Types
Language
Soundness
Structural Typing
Type Guards
Type Widening and Narrowing
Language Extensions
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Nominal Typing
Types vs Interfaces
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Popular Documentation Pages

Everyday Types
All of the common types in TypeScript
Creating Types from Types
Techniques to make more elegant types
More on Functions
How to provide types to functions in JavaScript
More on Objects
How to provide a type shape to JavaScript objects
Narrowing
How TypeScript infers types based on runtime behavior
Variable Declarations
How to create and type JavaScript variables
TypeScript in 5 minutes
An overview of building a TypeScript web app
TSConfig Options
All the configuration options for a project
Classes
How to provide types to JavaScript ES6 classes

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