How to create salesforce lightning components


To Create Salesforce lightning Components, login to Salesforce developer account and navigate to developer console. Now go to File | New | Lightning Component. Enter name and description for the lightning component. Here we have named lightning component as hello and second component as hello1. Lightning component has .cmp extension as shown below.


How to create custom lookup in Salesforce Lightning component?

Step 4 : Create Lightning Custom Lookup Component

  • lightning component [customLookup.cmp]
  • JS Controller [customLookupController.js] // This function call when the end User Select any record from the result list.
  • JS Helper [customLookupHelper.js]
  • Like our facebook page for new post updates.? & Don’t forget to bookmark this site for your future reference.

How to activate Salesforce Lightning?

Set the Default Interface to Lightning Experience

  • From Setup in Lightning Experience, enter Lightning in the Quick Find box, then select Lightning Experience Transition Assistant. …
  • Select the Roll Out phase.
  • Click Launch Lightning Experience to expand the stage.
  • Click Switch Users next to Make Lightning Experience the default interface. …
  • Click the + button next to the users you want to switch.

More items…

How to create a custom field in Salesforce Lightning?

  • Some data types are available for certain configurations only. …
  • Custom settings and external objects allow only a subset of the available data types.
  • You can’t add a multi-select picklist, rich text area, or dependent picklist custom field to opportunity splits.
  • Relationship fields count towards custom field limits.

More items…

How does Salesforce build Lightning Web Components?

Lightning Architecture Components:

  • Client Side: You may use JavaScript
  • Salesforce Cloud: It is to bind server as well as client.
  • Server side: Apex Controller manages server-side.

How to give your component the Lightning Experience look and feel?

To give your component the Lightning Experience look and feel, use Lightning Design System . To go your own way, write your own CSS . Composition. You can add components within the body of another component. Composition enables you to build complex components from simpler building-block components.

What is a service component in Lightning Web Components?

The files must use the same name so the framework can autowire them. A service component (library) must include a JavaScript file and a metadata configuration file. HTML Templates. The power of Lightning Web Components is the templating system, which uses the virtual DOM to render components smartly and efficiently.

What is Lightning web component?

A Lightning web component is a reusable custom HTML element with its own API. Define a Component. A Lightning web component that renders UI must include an HTML file, a JavaScript file, and a metadata configuration file. The files must use the same name so the framework can autowire them.

How does Lightning web work?

The framework creates components, inserts them into the DOM, renders them, and removes them from the DOM. It also monitors components for property changes.

What is the description attribute in Lightning App Builder?

The description attribute on the aura:component tag is optional, but recommended. If you define a description, it displays as the template description beneath the template image in the Lightning App Builder new page wizard.

What is a Lightning page template?

Every standard Lightning page is associated with a default template component , which defines the page’s regions and what components the page includes. Custom Lightning page template components let you create page templates to fit your business needs with the structure and components that you define. Once implemented, your custom template is available in the Lightning App Builder’s new page wizard for your page creators to use.

What is a custom template?

A custom template is an Aura component bundle that should include at least a .cmp resource and a design resource. The .cmp resource must implement a template interface, and declare an attribute of type Aura.Component [] for each template region. The Aura.Component [] type defines the attribute as a collection of components.

What is lightning:flexipageRegionInfo?

You can use the lightning:flexipageRegionInfo subcomponent to pass region width information to a component. Doing so lets you configure your page components to render differently based on what size region they display in.

Can a template component multitask?

Template components shouldn’t implement any other type of interface, such as flexipage:availableForAllPageTypes or force:hasRecordId. A template component can’t multi-task as a regular component. It’s either a template, or it’s not.

How to add Lightning component to developer console?

In the Developer Console, select File > New > Lightning Component.

How to add Apex class to developer console?

In the Developer Console, click File > New > Apex Class.

Do you need Apex for Lightning?

Though we use Lightning components to display our indicator badges (and in a later step, we even use Lightning Data Service to get record-level data without Apex), that doesn’t mean we don’t have any need for Apex. In fact, we need to use a fair bit of Apex to make our Indicator Badge records available for use in our Lightning components, along with other information.

What is $A.createComponents?

The $A.createComponent () and $A.createComponents () methods support both client-side (synchronous) and server-side (asynchronous) component creation. For performance and other reasons, client-side creation is preferred.

How many components can be created in a single request?

In addition to performance considerations, server-side component creation has a limit of 10,000 components that can be created in a single request. If you hit this limit, explicitly declare component dependencies with the <aura:dependency> tag or otherwise pre-load dependent elements. The components are then created on the client side instead.

How to dynamically create a component in the body of another component?

To dynamically create a component in the body of another component, use $A.createComponents () to create the components. In the function callback, nest the components by setting the inner component in the body of the outer component. This example creates a lightning:icon component in the body of a lightning:card component.

How to create component in JavaScript?

Create a component dynamically in your client-side JavaScript code by using the $A.createComponent () method. To create multiple components, use $A.createComponents ().

Is there a limit on component creation on the client side?

There’s no limit on component creation on the client side.

Is component creation asynchronous?

Component creation is asynchronous if it requires a server trip. Follow good asynchronous practices, such as only using the new component in the callback.


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.

Where are custom components in Lightning App Builder?

Custom components in your org that are configured for use in the Lightning App Builder appear in the Lightning Components pane.

How to make a custom component usable in both?

To make a custom component usable in both, you need to: Configure the component and its component bundle so that they’re compatible with the Lightning App Builder and Lightning pages. Depending on the Lightning component programming model that you’re working with, see the Lightning Aura Components Developer Guide or the Lightning Web Components …

What to do if you use Trailhead in a different language?

If you use Trailhead in a language other than English, make sure that your hands-on org is set to the same language as the challenge instructions. Otherwise you may run into issues passing this challenge. Want to find out more about using hands-on orgs on Trailhead? Check out Trailhead Playground Management.

How to launch Trailhead Playground?

Launch your Trailhead Playground by going to any unit with a hands-on challenge, scrolling to the bottom of the page, and clicking Launch. If you see a tab in your org labeled Install a Package, great! Follow the steps below.

Is my domain active in Trailhead?

By default, My Domain is already active in every Trailhead Playground. Don’t attempt to turn on My Domain, or change its settings, in your Trailhead Playground. Changing the My Domain settings could lock you out of your playground org.

Can you create a custom Lightning component?

Creating a custom Lightning component requires programming skills. Or, you can install an existing Lightning component from the AppExchange.


Leave a Comment