When does the Lightning component framework handle the render event?
What Is the Lightning Component Framework? When a component is rendered or rerendered, the aura:valueRender event, also known as the render event, is fired. Handle this event to perform post-processing on the DOM or react to component rendering or rerendering.
Can a lightning component update the DOM structure?
Yes, we can manage and update the pre-defined DOM Structure by Custom Rendering functionality provided by Lightning Component Framework in Salesforce. Salesforce Lightning Component Framework has provided us four phases of Rendering. To override the base render () function after component initialization.
How does the unrender function work in Lightning?
It is triggered if anything is changed to the components just like button disable after clicked the button to show some results. If any component is not displayed due to aura:if condition is not satisfied or component is not displayed conditionally, at that point unrender () function of this component will be fired.
How is the rendering lifecycle in Salesforce Lightning?
Salesforce Lightning Component Framework has provided us four phases of Rendering. To override the base render () function after component initialization. To update the DOM tree after inserted DOM elements by render () function. This is triggered due to anything change to the components.
How does rendering service work in Salesforce Lightning?
The framework’s rendering service takes in-memory component state and creates and manages the DOM elements owned by the component. If you want to modify DOM elements created by the framework for a component, you can modify the DOM elements in the component’s renderer.
How to use rerender and render in Lightning?
Explain Render and Rerender in Salesforce Lightning. 1 Render in lightning. 2 Rerender in lightning: This is triggered due to anything change to the components.Need to call superRerender ()function.Generally, it does not return a value.It is triggered if anything is changed to 3 Base Component Rendering.
When to use render event in Lightning aura?
The event is preferred and easier to use than the alternative of creating a custom renderer. The render event is fired after all methods in a custom renderer are invoked. For more details on the sequence in the rendering or rerendering lifecycles, see Create a Custom Renderer.