Typescript User-Defined Data Type In Hindi – Is Post Ts User Defined Data Types Ko Dekhne Wale Hai And Inke Example Bhi Dekhne Wale Hai |
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Typescript User-Defined Data Type In Hindi
Typescript Inn User-Defined Data Types Ko Support Karta Hai.

Array
Array Same Data Type Ke Elements Ka Collection Hai.Javascript Ki Tarah, Typescript Me Bhi Hum Array Ki Values Ke Sath Kaam Kar Sakte Hai.
Array Ko Define And Initialize Karne Kaa Tareeka-
var list : number[] = [1, 3, 5];
Generic Array Type-
- var list : Array<number> = [1, 3, 5];
Tuple
Tuple Ek Aisa Data Type Hai Jo Different Data Type Ke Two Sets Of Value Ko Include Karta Hai.Yadi Aap Value Ko Number And String Ke Pair Me Represent Karna Chahte Hai To Iss Tarah Kar Sakte Hai-
Also Read – What Is TypeScript
Example:
// Declare a tuple let a: [string, number]; // Initialize it a = ["hi", 8, "how", 5]; // OK
Interface
Interface Ek Aisa Structure Jo Application Me Contract Ki Tarah Act Karta Hai.Vah Class Ko Interface Ko Implement Karti Hai Vo Iske Saare Members Ko Implement Karne Ke Liye Bound Ho Jaati Hai.Isko Instantiated To Nahi Kiya Jaa Sakta But Jo Class Isko Implement Karti Hai Vo Isko Referenced Kar Sakti Hai.
Example:
interface Calc { subtract (first: number, second: number): any; } let Calculator: Calc = { subtract(first: number, second: number) { return first - second; } }
Class
Reusable Component Ko Create Karne Ke Liye Class Ko Use Kiya Jaata Hai.Yah Ek Logical Entity Hai Jo Data Member Or Member Function Ke Uppar Operation Perform Karti Hai.
Examples:
class Student { RollNo: number; Name: string; constructor(_RollNo: number, Name: string) { this.RollNo = _rollNo; this.Name = _name; } showDetails() { console.log(this.rollNo + " : " + this.name); } }
Enum
Enum Named Constant Ka Set Hai.TS String-Based Or Numeric-Based Dono Type Ke Enums Provide Karta Hai. By Default, Enum Ke Element Ki Numbering Zero Se Start Hoti Hai, But Hum Isko Manually Update Karke Iski Setting Ko Change Bhi Kar Sakte Hai.
Also Read – TypeScript Vs JavaScript
Example:
enum Color { Red, Green, Blue }; let c: Color; ColorColor = Color.Green;
Functions
Also Read – Typescript Data Types In Hindi
Function Ek Block Of Code Hai Jisme Hum Program Ko Organise Kar Sakte Hai.JS Ki Tarah, Typescript Bhi Dono Type Ke Function(Named Function Or As An Anonymous Function) Ko Create Karne Ke Liye Kiya Jaata Hai.Program Ko Readable, Maintainable, And Reusable Banane Ke Liye Function Kaa Use Kar Sakte Hai.
//named function with number as parameters type and return type function add(a: number, b: number): number { return a + b; } //anonymous function with number as parameters type and return type let sum = function (a: number, y: number): number { return a + b; };
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