
Full-Stack React, TypeScript, and Node
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A type is a reusable set of rules. A type may include properties and functions (capabilities). It can also be shared and reused over and over again. When you reuse a type, you are creating an instance of it. This means that you are creating an example of your type that has specific values for properties. In TypeScript, as the name implies, types are very important. They're the main reason why the language was created in the first place. Let's take a look at how types work in TypeScript.
As mentioned previously, JavaScript does have types. Number, string, Boolean, array, and so on are all types in JavaScript. However, those types are not explicitly set during declaration; they are only inferred at runtime. In TypeScript, types are normally set during declaration. It is possible to allow the compiler to infer your type. However, the type the compiler chooses may not be the one you desire since it isn't always obvious. In addition...