What is key of in TypeScript?

Question

The keyof type operator The keyof operator takes an object type and produces a string or numeric literal union of its keys. The following type P is the same type as “x” | “y”: type Point = { x : number; y : number }; type P = keyof Point ; type P = keyof Point.

What is any keyword in TypeScript?

All types in TypeScript are subtypes of a single top type called the Any type. The any keyword references this type. The Any type is the one type that can represent any JavaScript value with no constraints. All other types are categorized as primitive types, object types, or type parameters.

How do you get the key of a type?

To get the union of the keys of a TypeScript interface, we can use the keyof keyword. interface Person { name: string; age: number; location: string; } type Keys = keyof Person; to create the Keys type by setting it to keyof Person .

How do you get the keys of an object in TypeScript?

To get an object's key by value in TypeScript:1Use the Object. keys() method to get an array of the object's keys.2Type the array to be an array of the object's keys.3Use the find() method to get the key by its value.

What is key string?

KeyString ( _KeyCode_ , _KeyCode2_ ) expression A variable that represents an Application object.

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