Interfaces in TypeScript are created by using the interface keyword followed by the name of the interface, and then a {} block with the body of the interface. With the keyof keyword we can cast a given value to an Index type or set a variable to the property name an object. Nullable types TypeScript: Documentation - Object Types How to Use Optional and Default Parameters in TypeScript? Map & Set in Typescript (Angular Variables in TypeScript - GeeksforGeeks Variables Learn How boolean types work in TypeScript? - EDUCBA To assign a value to a variable, we write the name of the variable, followed by the = operator and lastly, the value we want to store. typescript "variable! How to create and type JavaScript variables. Using mapping modifiers, you can remove optional attributes.. readonly Properties. Javascript: Object.assign to assign property values
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