typescript function arguments interface code example

Example 1: typescript interface function

interface IEmployee {
    empCode: number;
    empName: string;
    getSalary: (number) => number; // arrow function
    getManagerName(number): string; 
}

Example 2: ts interface optional parameter

interface Person {
    name: string;
    age: number;
    phone?: string;
}

let p: Person = {name: "Ashlee", age: 29};
console.log(p);

Example 3: typescript interface

interface LabeledValue {
  label: string;
}

function printLabel(labeledObj: LabeledValue) {
  console.log(labeledObj.label);
}

let myObj = { size: 10, label: "Size 10 Object" };
printLabel(myObj);Try