PDI · Question #209
Which three resources in an Aura component can contain JavaScript functions? Choose 3 answers
The correct answer is A. Renclerer C. Helper D. Controller. In an Aura component, JavaScript functions can be defined and executed within the Controller, Helper, and Renderer resources to manage component logic, utility functions, and rendering lifecycle.
Question
Which three resources in an Aura component can contain JavaScript functions? Choose 3 answers
Options
- ARenclerer
- BStyle
- CHelper
- DController
- EDesign
How the community answered
(29 responses)- A86% (25)
- B3% (1)
- E10% (3)
Why each option
In an Aura component, JavaScript functions can be defined and executed within the Controller, Helper, and Renderer resources to manage component logic, utility functions, and rendering lifecycle.
The Renderer resource (.js file) defines client-side JavaScript functions that customize a component's rendering behavior, executing specific logic before, during, or after rendering events.
The Style resource (.css file) defines CSS styles for a component's appearance and does not contain JavaScript functions.
The Helper resource (.js file) contains reusable JavaScript functions that can be called from the component's controller, promoting modularity and code reuse for complex client-side logic.
The Controller resource (.js file) defines client-side JavaScript functions that handle user interactions and component events, serving as the primary entry point for client-side logic in response to actions.
The Design resource (.design) file defines attributes that can be exposed in the Lightning App Builder or Community Builder for declarative configuration, but it does not contain JavaScript functions.
Concept tested: Aura component client-side resources and JavaScript
Source: https://developer.salesforce.com/docs/component-library/documentation/en/aura/js_controller_helper_renderer
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