Feature	JavaScript	TypeScript
Type System	Dynamic (loosely typed)	Static (strongly typed with optional types)
Compilation	Interpreted by browsers	Compiled to JavaScript
Error Checking	Errors appear at runtime	Errors detected at compile time
Code Maintainability	Can be harder to maintain in large projects	Easier maintenance with type safety
Object-Oriented Features	Supports OOP but lacks some features	Has interfaces, generics, and better OOP support
ES6 Features	Supported	Supports all JavaScript features additional ones
Browser Support	Directly supported by browsers	Needs to be compiled to JavaScript
Learning Curve	Easier for beginners	Requires learning types and compilation process
Tooling & IDE Support	Basic support	Better autocompletion, refactoring, and debugging in IDEs

什么时候使用什么？

• >使用JavaScript进行快速脚本，小型项目或直接与浏览器一起工作时。
• >将打字稿用于大规模应用，更好的可维护性和键入安全性。>

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