This tutorial teaches how you can build, structure, test and debug a Node.js application written in TypeScript. To do so, we use an example project which you can access anytime later.
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This is where TypeScript comes into the picture. TypeScript is a typed superset of JavaScript that compiles to plain JavaScript.
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As we already discussed, TypeScript is a superset of Javascript. It gives you the following benefits:
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As TypeScript is a superset of JavaScript, you can start using it by literally just renaming your .js files to .ts, so you can introduce TypeScript gradually to your teams.
Note: TypeScript won't do anything in runtime, it works only during compilation time. You will run pure JavaScript files.
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