Category Lightning Components

What is Document Object Modal(DOM)? DOM is nothing but a programming API for HTML and XML documents. DOM is the logical structure(i.e., tree) of the documents. Now question is, how can we update the DOM structure created by pre-defined  Lightning Component?…

For this training purpose, we are showing the contact records with respect to an account on the Account Lightning Record Page. We are using aura:iteration with html table for training purpose. Please use lightning base components such as lightning:dataTable in…

Event Propagation is a way of communication in your application. Following are the phases supported in event communication 1. Capture Phase: The event is captured from application root to the source component. [top to bottom]. 2. Bubble Phase: The event…

Event Propagation is a way of communication in your application.  Following are the phases supported in event communication 1. Capture Phase:  The event is captured from application root to the source component. [top to bottom]. 2. Bubble Phase:  The event…

Lightning Events are used to communicate to direct Lightning Components or indirect Lightning Components in Lightning Framework. Component Event: This type of event can be fired from a Component and on other side, the component in the same hierarchy will…

Bound Expression: {!v.attributeName}: Anything has been changed to the attribute in the Child Component affects the respective attribute in the Parent Component and vice-versa. Unbound Expression: {#v.attributeName}: Anything has been changed to the attribute in the Child Component doesn’t affect…

Component Id: This defines an identifier of the elements of a particular component. There are two types of Component Ids such as Local Id & Global Id. Local Id-> To retrieve a component in Javascript. It is defined in “aura:id”…

Attributes are used to perform the input and output operation in the Lightning Component or App. Attributes are just like Variables in the Apex Class. Need to use <aura:attribute> tag to declare the attribute in the Lightning Component or App. Definition…

How to build your first Lightning Component? Only View, No Logic Step 1: Create Lightning Component Bundle named “Welcome” After creation, we will get four primary files such as Welcome.cmp Welcome.css WelcomeController.js WelcomeHelper.js We need to update Welcome.cmp & Welcome.css…