typescript-notes's Introduction

TypeScript-Notes

typescript学习笔记

TypeScript是javascript的类型的超集合，它可以编译成纯JavaScript。编译出来的JavaScript可以运行在任何浏览器上。TypeScript编译工具可以运行在任何服务器和任何系统上。TypeScript是开源的。

TypeScript的优势

1.增加了代码的可读性和可维护性；

类型系统实际上是最好的文档，大部分的函数看看类型的定义就知道如何使用了
可以在编译阶段就发现大部分错误，这总比在运行时候出错好；
增强了编辑器和IDE的功能，包括代码补全、接口提示、跳转的定义、代码重构等；

TypeScript的缺点

有一定的学习成本，需要理解接口、泛型、类、枚举类型等概念；
短期可能增加一些开发成本，毕竟要多写一些类型的定义，不过对于一个长期维护的项目，TypeScript能够减少维护成本；
集成到构建流程需要一些工作量；
可能和一些库结合的不是很完美；

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