How does a component communicate down the component hierarchy?

How does a component communicate down the component hierarchy?

Component events are “clones” of standard DOM events (mouse clicks, key press, and so on). Just like their DOM counterparts, they propagate up in the component hierarchy via a bubbling mechanism and can be stopped en route to the application root component.

How do you use the lightning component as a tab?

Create a custom tab for the component.

  1. From Setup, enter Tabs in the Quick Find box, then select Tabs.
  2. Click New in the Lightning Component Tabs related list.
  3. Select the Lightning component that you want to make available to users.
  4. Enter a label to display on the tab.
  5. Select the tab style and click Next.

How to communicate between two Lightning components using events?

Steps to communicate between two Lightning Components using events: 1 Create an event. 2 Create two lightning components: Child component and parent component. 3 Register the event in the child component and fired the event in the child component JavaScript controller action. 4 Handle the event in the parent component. More

How to create two Lightning components in Salesforce?

Create two lightning components: Child component and parent component. Register the event in the child component and fired the event in the child component JavaScript controller action. Handle the event in the parent component.

How to pass data up and around in Lightning?

The way to pass data up and around in the Lightning component hierarchy is to use events. There are two types of events that users can employ for that purpose: application events and component events. There are some minor syntax differences between these two types of events, but we do not discuss them in this article for the sake of brevity.

How are framework events triggered in Lightning framework?

In Lightning, framework events are triggered by client-side JavaScript controller actions. The attributes in an event could be set before the event gets triggered and read-only when the event is handled.