What are aura components in salesforce


Aura components are the self-contained and reusable units of an app. They represent a reusable section of the UI, and can range in granularity from a single line of text to an entire app. Event-driven programming is used in many languages and frameworks, such as JavaScript and Java Swing.


What is Aura in Salesforce?

  • Lightning Component Framework is not backed by the legacy Visual Force Framework. …
  • Components are simple to use, reusable, and customizable, which offers a robust and fast framework to work with.
  • The lightning framework is very much event-driven, which helps to deliver faster apps to the end-users.

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What are the Salesforce components?

You can use the following for operationName:

  • getVersions – Gets supported Salesforce REST API versions
  • getResources – Gets available Salesforce REST Resource endpoints
  • getGlobalObjects – Gets metadata for all available SObject types
  • getBasicInfo – Gets basic metadata for a specific SObject type
  • getDescription – Gets comprehensive metadata for a specific SObject type

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What is Aura definition bundle in Salesforce?

An AuraDefinitionBundle component is a collection of component definition files, each representing a different resource such as markup code, event documentations, applications and interfaces. Lightning bundles must be under a top-level folder that’s named aura. Each bundle must have its own subfolder under the aura folder.

What is Salesforce Lightning component framework?

Why is the lightning component Framework is used?

  • lightning component Framework provides the components to build applications faster. …
  • Lightning component Framework tacks browser vents when a user click a button, scrolling and many more.
  • Our own components can be published and shared with other Salesforce users.
  • It used JSON to exchange data between the server and the client.

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What is lightning aura component in Salesforce?

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 is the difference between LWC and Aura components?

Aura and LWC can be able to communicate using Public API’s and Events. LWC can be embedded inside Aura Components, but Aura Components cannot be embedded inside LWC.

What is Aura component bundle in Salesforce?

An AuraDefinitionBundle component is a collection of component definition files, each representing a different resource such as markup code, event documentations, applications and interfaces. Lightning bundles must be under a top-level folder that’s named aura.

Is lightning component and aura component same?

Aura is an open-source UI framework built by Salesforce for developing dynamic web apps for mobile and desktop devices. The lightning component framework is not different from the Aura framework rather it is a subset of the Aura framework. The Lightning Component framework is built on the open-source Aura framework.

Why is LWC preferred over aura?

Performance: Because of the absence of an abstraction layer, LWC is likely to load and run much faster than Aura components. It is also lightweight and memory-efficient as it is built on Web Components. Easy to ramp: As there is no additional framework, LWC developers can make transitions much easier.

Can we call LWC from Aura component?

LWC component function should be declared as public starting using @api decorator. We can invoke the LWC component through the Aura component using aura:id.

What is the use of Aura component?

Use Aura Components with Flows Customize the look-and-feel and functionality of your flows by adding Lightning components to them. Or wrap a flow in an Aura component to configure the flow at runtime, such as to control how a paused flow is resumed.

Why would you use Aura method?

Use aura:method to define a method as part of a component’s API. This enables you to directly call a method in a component’s client-side controller instead of firing and handling a component event.

How many lightning components are there in Salesforce?

There are three different types of Lightning Components you should know about. Standard Lighting Components These come pre-installed in your salesforce object page layouts. You can hide them, or choose not to use them, but you can’t get rid of them.

What should I learn aura or LWC?

Learn LWC and forget about Aura, excepting only the few and shrinking situations where Aura is specifically required. LWC is unambiguously the current, supported, actively developed UI framework. Aura is legacy. Any new UI that can be built in LWC should be built in LWC.

How do I create an aura component in Salesforce?

Create Aura Components in the Developer ConsoleOpen the Developer Console. … 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 an aura interface?

Interfaces determine a component’s shape by defining its attributes. Implement an interface to allow a component to be used in different contexts, such as on a record page or in Lightning App Builder.


The root of the component hierarchy. Provides a default rendering implementation.


Components are the functional units of Aura, which encapsulate modular and reusable sections of UI. They can contain other components or HTML markup. The public parts of a component are its attributes and events. Aura provides out-of-the-box components in the aura and ui namespaces.

What is Lightning component?

Lightning components were born out of and used to build the Salesforce platform for mobile apps. Mobile is baked into the core of the Lightning Component framework, and it makes developing apps that work on both mobile and desktop devices far simpler than many other frameworks.

Can you develop mobile apps with Visualforce?

While you can develop mobile apps with Visualforce, none of the built-in components are mobile-savvy. Which means you write more code. Lightning Components, on the other hand, is specifically optimized to perform well on mobile devices. Again, we cover a lot of specifics in the Develop for Lightning Experience module.

Can you run Visualforce on Salesforce?

Your Visualforce code will run on Salesforce for a long time to come. You don’t need to convert existing Visualforce apps, and you don’t need to stop creating apps with Visualforce. However, you might want to, at least in some cases. For example, Visualforce was created before mobile apps on phones became a thing.

What language is Salesforce?

At the beginning of the Salesforce Development times, developers used Visual Force, which is an HTML Tag-based mark-up language to develop their Visual Force web pages and Apex to control the internal logic.

What is Lightning web component?

Lightning Web Components is the new way to create Lightning Component simply. In 2014, since the Aura was introduced, the internet has changed drastically. Google started to scrap the decades-old limitations and replacing them with a faster and better way of working with the internet. This new concept was known as the Web Component.

Do you need to learn Java to use Lightning Web Component?

Learning is easy – Lightning Web Component developers need to learn only one skill, that it the Lightning Web Component framer only. They do not need to learn any other framework or Java Script separately like they had to do in the Aura programming model.


The Aura Components Basics Trailhead module walks you through building a form for creating an expense record.

Implement a Basic Form

Before proceeding, we recommend that you have working knowledge of web forms, as the rest of the topic builds on that concept.


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