Object in javascript

In this article,we are creating an object in javascript. In this article you will learn how to create object in javascript. Object start with curly bracket and ends with curly bracket,it works on (key-value) mechanism.(key-value) pair is a combination of string also,means we can assign a string to key and value also.Objects can be copy by reference not by value. In up comming litures we will learn about copy by value and copy by reference.

How to create object in javascript

Object is start with curly bracket and end with curly bracket. Below example explain complete structure of object. Objects are none primitive data type

1let myObject = {
2    id: 1,
3    name: "abc",
4  }

We have created object of two properties named 'id' and 'name'. On left side is properties of object and on the right side is values of those properties.

Update property of Object in javascript

We can easily change or modify the objects

1let ab = {
2    id: 1,
3    name: "abc"
4  };
5  
6  ab.name = "xyz";
7  console.log(ab); // {id: 1, name: "xyz"}

In this example we have updated name property object. Before it was 'abc' and now it is 'xyz'