typescript specify return type code example
Example 1: typescript function type
// define your parameter's type inside the parenthesis
// define your return type after the parenthesis
function sayHello(name: string): string {
console.log(`Hello, ${name}`!);
}
sayHello('Bob'); // Hello, Bob!
Example 2: typescript annotate return type
function add(x: number, y: number): number {
return x + y;
}