TypeScript String Prototype Property

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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:

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