ts defining function type code example

Example 1: typescript function type

interface Date {
  toString(): string;
  setTime(time: number): number;
  // ...
}

Example 2: typescript function

// Named function
function add(x: number, y: number): number {
  return x + y;
}

// Anonymous function
let myAdd = function (x: number, y: number): number {
  return x + y;
};