TypeScript | TypeScript Functions | Question 1

Last Updated :
Discuss
Comments

Which of the following is the correct way to declare a function type in TypeScript?

function sum(x: number, y: number): number;

let sum: (x: number, y: number) => number;

let sum: (x: number, y: number) -> number;

function sum(x: number, y: number) -> number;

This question is part of this quiz :

TypeScript Functions Quiz
Tags:
Web Technologies
TypeScript
Share your thoughts in the comments
We use cookies to ensure you have the best browsing experience on our website. By using our site, you acknowledge that you have read and understood our Cookie Policy & Privacy Policy