打字稿形式 源码

打字稿形式 tsc(TypeScript编译器) tsc ./myFileToCompile.ts -v --> check typescript compiler version tsc ./myFileToCompile -w --> run tsc and watch saves to recompile 严格类型VS动态类型 通过推断输入: const firstname = "John" ; /* typescript type "firstname" as a string because it is declared and defined at the sam