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How does renderer service in Lightning component bundle work?
Renderer service in lightning component bundle modify the DOM elements which is created by framework for a component. We use custom renderer to change or override the default rendering behaviour of the component.
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.
Do you need to create custom renderer for lightning aura?
The framework automatically renders your components so you don’t have to know anything more about rendering unless you need to customize the default rendering behavior for a component. It’s preferred and easier to handle the render event rather than the alternative of creating a custom renderer.
How to set custom value in Lightning input field?
To provide a custom value on a field when the form displays, use the value attribute on lightning-input-field. If you’re providing a record ID in lightning-record-edit-form, the value returned by the record on load does not override this custom value. You can also programmatically set the value when the form loads.
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.
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.