TypeScript String Prototype Property

The Prototype Property in TypeScript which is used to add properties and methods to an object. 
Syntax:

string.prototype 

Return Value: This method does not returns any value. 
Below examples illustrate the String Prototype property in TypeScript
Example 1:

JavaScript

function Person(name:string, job:string, yearOfBirth:number)
    {
        this.name= name;
        this.job= job;
        this.yearOfBirth= yearOfBirth;
    }


    // Driver code
    var emp = new Person("Smith", "ABC",12214)

    // This will show Person's prototype property.
    console.log(emp.prototype);

Output:

Example #2:

JavaScript

function Person(name:string, job:string, yearOfBirth:number)
    {
        this.name= name;
        this.job= job;
        this.yearOfBirth= yearOfBirth;
    }

    // Driver code
    var emp = new Person("Smith", "ABC",12214)

    // This will show Person's prototype property.
    Person.prototype.email = "abc@123.com";

    console.log("Person's name: " + emp.name);
    console.log("Person's Email ID: " + emp.email);

Output: