How Do You Use Lightning Components?

What is the difference between lightning components and Visualforce Components?

Visualforce components are page-centric and most of the work is done on the server.

Lightning is designed from the component up, rather than having the concept of a page as its fundamental unit.

Lightning Components are client-side centric, which makes them more dynamic and mobile friendly..

What is difference between controller and helper in lightning?

A controller contains functions to handle events in the component. A helper contains utility functions that can be reused in the component bundle; for example, by a controller and a renderer. You don’t have to use a helper but it can be helpful (pardon the pun) for reuse.

What is $a in Salesforce lightning?

What is ‘$A’ in Lightning Component Aura Framework? … The $A namespace is the entry point for using the framework in JavaScript code. It allows you to interact with the framework.

How do you make Aura components?

Create Aura Components in the Developer ConsoleOpen the Developer Console. Select Developer Console from the Your Name or the quick access menu ( ).Open the New Lightning Bundle panel for an Aura component. … Name the component. … Describe the component. … Add component configurations to the new component. … Click Submit to create the component.

What is LWC?

Lightning Web Component or LWC are custom elements built using native HTML and Modern JavaScript. It uses core web components standards and latest ECMAScript 6, 7, 8, 9 and beyond. Salesforce provides an open library known as Lightning Web Component Open Source, which can implemented in any platform.

What are lightning components?

The Lightning Component framework is a UI framework for developing web apps for mobile and desktop devices. It’s a modern framework for building single-page applications with dynamic, responsive user interfaces for Lightning Platform apps. It uses JavaScript on the client side and Apex on the server side.

How do you run a lightning component?

Step 1: Create the ComponentIn the Developer Console, click File > New > Lightning Component. Specify QuickContacts as the bundle name and click Submit.Implement the component as follows:

ContactList goes here

… Click File > Save to save the file.

How do you test a lightning component?

It includes client-side Javascript in Lightning component controllers. Testing these involves a few specialized tools….First, open the Jasmine example tests.Click. and select Developer Console.Select File > Open Resource.Select jasmineExampleTests. js and have a look at the code.

What are the 3 types of lightning?

There are three primary types of lightning which include: cloud-to-ground (the most commonly known type), cloud-to-air, and cloud-to-cloud. With cloud-to-ground lightning, the rapid discharge of lightning is a channel of negative charge that is attracted to the positively charged ground.

What is lightning component framework?

The Lightning Component framework is a UI framework for developing web apps for mobile and desktop devices. It’s a modern framework for building single-page applications with dynamic, responsive user interfaces for Lightning Platform apps. It uses JavaScript on the client side and Apex on the server side.

What are two benefits of the lightning component framework?

Faster development – : Empowers teams to work faster with out-of-the-box components that function seamlessly with desktop and mobile devices. Device-aware and cross browser compatibility – : responsive design,supports the latest in browser technology such as HTML5, CSS3, and touch events.

What are the examples of lightning base components?

LayoutTypeLightning Component NameAPI VersionAccordionlightning:accordion41.0lightning:accordionSectionCardlightning:cardCarousellightning:carousel42.05 more rows

What are the different lightning component bundles?

These are the few Salesforce Lightning Component Bundles:Component.Controller.Helper.Style.Document.Renderer.Design.SVG.

What is Aura lightning?

Aura is an open-source UI framework built by Salesforce for developing dynamic web apps for mobile and desktop devices.To build lightning components in salesforce lightning we use the Lightning component framework. … The Lightning Component framework is built on the open-source Aura framework.

How do you call doInit in lightning component?

After the component is initialized, the doInit action is called in the component’s controller.// initCmp.js.({doInit: function(cmp) {// Set the attribute value.// You could also fire an event here instead.cmp. set(“v.setMeOnInit”, “controller init magic!” );}})

Where we can use lightning components?

The lightning component can be deployed in the following.Lightning experience.Salesforce1 app.Lightning pages.Lightning apps.Visualforce pages.Apps with lightning out.Standalone apps in Salesforce.Community builder.More items…

How do you add lightning component in record Detail page?

Navigate to Setup > Platform Tools > User Interface > Lightning App Builder. On the Lightning Pages section, click New. Select App Page, Home page, or Record page, where you want to add the component. In the Label field, enter the name of the lightning page and click Next.

Is Lightning an MVC framework?

Though the Lightning Component framework adopts the MVC paradigm, it is a true component-based framework first.