新版本的变更 / TypeScript 4.0
Variadic tuple types
Labeled tuple elements
Short-circuiting assignment operators (&&=, ||=, ??=)
Catch clause variables can be annotated as unknown
Class property inference from constructors
Class property inference from constructors
此示例属于完整版，可在应用商店购买：
TypeScript Recipes
App Store
Code Recipes
App Store
已经购买？登录您的账户