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TypeScript Objects

Below is a JavaScript Object declaration:

let person = {
  firstName: "John",
  lastName: "Miller",
  age: 35,
};

This object can be declared in TypeScript as below:
let person: { firstName: string, lastName: string, age: number } = {
  firstName: "John",
  lastName: "Miller",
  age: 35,
};


Next: Namespaces and Modules in TypeScript

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