Name		Name	Last commit message	Last commit date
parent directory ..
declaration		declaration
modules		modules
reference		reference
typings		typings
README.md		README.md
basic-types.ts		basic-types.ts
everyday-types.ts		everyday-types.ts
for-java-csharp-programmer.ts		for-java-csharp-programmer.ts
for-js-programmer.ts		for-js-programmer.ts
functions.ts		functions.ts
narrowing.ts		narrowing.ts
objects.ts		objects.ts
package.json		package.json
tsconfig.json		tsconfig.json
type-manipulation-generics.ts		type-manipulation-generics.ts
type-manipulation-other.ts		type-manipulation-other.ts
yarn.lock		yarn.lock

README.md

TypeScript

来源：typescriptlang.org

TypeScript 是以 JavaScript 为运行时，编译时的类型检查器

TypeScript is JavaScript‘s runtime with a compile-time type checker

TypeScript 比 JavaScript 运行时的严格语义更严格，在编译时甚至编写时就能够约束我们的编码。让我们能够写出更加放心安全的代码。