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Advanced Frontend with React.js [Eng+Ukr]
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How would you define a HOC named withExtraProps that adds extra props to a component?
Will the next code compile with TypeScript?
let s = "hello" s = 1;
Suppose, you have a variable defined like this:
let helloWorld = "Hello World";
What statement is correct?
Please, choose how the TypeScript works with the code like this:
interface Course { name: string; totalHours: number; id: number;}
const course: Course = {
name: "Math",
totalHours: 50
};
interface Person { name: string; surname: string;} function logPerson(p: Person) { console.log(`${p.name}, ${p.surname}`);} const person = { name: "Paul", surname: "Mass" };logPerson(person);
Please, select the type representing any possible type of React node (ReactElement + primitive JS types)
Please, select the type the following statement is about:
A type representing a concept of React Element - representation of a native DOM component (e.g. <div />), or a user-defined composite component (e.g. <MyComponent />)
Please, create a type definition for an array where each value is an object with name property of string type
Please, select how we can annotate a function that takes no arguments and returns a value of type Course
Is the code below correct? What is the result of compilation of this code?
function loggingIdentity<Type>(arg: Type): Type { console.log(arg.length); return arg;}