declare a function in typescript code example
Example 1: typescript function
// Parameter type annotation
function greet(name: string): string {
return name.toUpperCase();
}
console.log(greet("hello")); // HELLO
console.log(greet(1)); // error, name is typed (string)
Example 2: types function typescript
interface Easy_Fix_Solution {
title: string;
callback: Function;
}