Introduction to Objects in TypeScript

Introduction to Objects in TypeScript

What is an Object?

Objects are a fundamental part of object-oriented programming and are used to store data in a structured way. Objects can have properties, which can be any type of data (including other objects). They can also have methods, which are functions that describe the behavior of the object. In TypeScript, objects can be created using the "object literal syntax" or by defining a class.

Object Literals in TypeScript

Object literals are used to quickly create objects with a set of predefined properties and values. For example:

let myObject = {
    property1: "value1",
    property2: "value2"
};

This creates an object with two properties, property1 and property2, each with their own associated value.

Classes in TypeScript

In addition to creating objects using object literals, you can also create them using classes. Classes provide a way to create objects that have their own properties and methods, as well as their own state. For example:

class MyObject { 
    property1: string; 
    property2: number; 

    constructor(property1: string, property2: number) {
        this.property1 = property1;
        this.property2 = property2;
    }
}

let myObject = new MyObject("value1", 123);

This creates an object called myObject with two properties, property1 and property2, each with their own associated value. These properties can be accessed just like any object literal property.

Conclusion

Objects are an essential part of object-oriented programming and are used to store data in a structured way. In TypeScript, objects can be created using object literals or by defining classes. Understanding how to use and manipulate objects is an important skill for any programmer.