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Introduction to TypeScript for JavaScript Developers

  • TypeScript is a superset of JavaScript with optional static typing.
  • Static typing helps catch potential errors during development, before the code even runs.
  • TypeScript provides better autocompletion, more accurate type-checking, and easier refactoring.
  • As your JavaScript project grows, it becomes harder to manage large codebases with dynamic typing.
  • TypeScript helps organise your code better, making it easier to maintain.
  • TypeScript is designed to be easy to learn for JavaScript developers.
  • Common types in TypeScript are string, number, boolean, object, and any (use with caution).
  • Interfaces are useful when you want to ensure that objects follow a specific structure.
  • Generics allow you to create functions, classes, and interfaces that work with any type, but still retain type safety.
  • You can install TypeScript via npm, generate a TypeScript configuration file, write .ts files and compile it into JavaScript.

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