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Frequently asked questions
TypeScript is a programming language that helps developers turn medium-sized JavaScript projects and prototypes into large-scale ones. JavaScript, a widely-used programming language, was designed to be easy to use for developers and non-developers alike. As a result, JavaScript development is difficult to scale up. Microsoft introduced TypeScript to solve this scalability problem. TypeScript is often referred to as JavaScript with type because it allows developers to find errors while writing their code rather than wait until the application is running. And because TypeScript is a syntactical superset of JavaScript, any JavaScript program is also a valid TypeScript program.