Creating and accessing data of JS object's in LWC

What is an Object in JavaScript/LWC:

An object is a list of name-value pairs of primitive data types. Each item in the list is called a property and each property name should be unique.

Here we are not going to explain more about the object. if your interested you can search in google to find more about javascript objects. Here we are going to show, how to create and access data of the Object in Lightning web components.

Creating Objects in LWC:

Almost same how we create object in apex. First we need to define an object and set properties values.
[Account acc = new account();
acc.Name = 'Nagarjuna';
acc.Phone = '1234567890';
System.debug('Name: '+acc.Name);]
But in Javscript we can simply create an object defining properties inside of curly braces.
[import { LightningElement } from 'lwc';
let account = {
            Name: 'Nagarjuna',
            Industry: 'crm',
            Phone: 1234567890
    };
    console.log(account.Name); // Nagarjuna
    
export default class App extends LightningElement {
    
} ]

Accessing Properties in Object LWC:

Like we do access in Apex, using Object.Property name, same way we can also access in lwc.
[Account acc = [Select Id, Name, Phone from Account Limit 1];
System.debug('Name'+acc.Name); // Nagarjuna]
We can access properties in an objects in two ways.
1. Dot Notation
[import { LightningElement } from 'lwc';
let accountDetails = {
        isSelected: true,
        Account: {
            Name: 'Nagarjuna',
            Industry: 'crm',
            Phone: 1234567890
        }
    };
    console.log(accountDetails.isSelected); // true
    console.log(JSON.stringify(accountDetails.Account)); // {"Name":"Nagarjuna","Industry":"crm","Phone":1234567890}
    console.log(accountDetails.Account.Name); // "Nagarjuna"
    
export default class App extends LightningElement {
    
}]
2. Bracket Notation
[import { LightningElement } from 'lwc';
let accountDetails = {
        isSelected: true,
        Account: {
            Name: 'Nagarjuna',
            Industry: 'crm',
            Phone: 1234567890
        }
    };
    console.log(accountDetails['isSelected']); // true
    console.log(JSON.stringify(accountDetails['Account'])); // {"Name":"Nagarjuna","Industry":"crm","Phone":1234567890}
    console.log(accountDetails['Account']['Name']); // "Nagarjuna"
    
export default class App extends LightningElement {
    
}]

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SWDC WORLD (Software Development Center Of The World) - is a Multi author and Multi Technology Blog: Creating and accessing data of JS object's in LWC
Creating and accessing data of JS object's in LWC
Creating and accessing data of JS object's in LWC, creating javascript objcts in lwc, accessing object data properties in lightning web components lwc
SWDC WORLD (Software Development Center Of The World) - is a Multi author and Multi Technology Blog
https://www.swdcworld.com/2020/07/creating-and-accessing-data-of-js.html
https://www.swdcworld.com/
https://www.swdcworld.com/
https://www.swdcworld.com/2020/07/creating-and-accessing-data-of-js.html
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