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How to use design attribute in Lightning web component?
How we can specifies a public property of a Lightning Web Component that can be set in Lightning App Builder, App Manager, Lightning Flow Builder, or Community Builder? Why Design Attributes plays a significant role? How to use Design Attribute in Lightning Web Component? First understand some Key Words. They are:-
How to dynamically change attribute value from lightning controller?
Created a lightning button in the component definition whose action in the controller will change the ‘src’ attribute value to a different image. However, I am getting the below error in the console when the button is clicked and the image is not getting changed to a new one. Am I missing something here ?
What are design attributes in Salesforce Lightning framework?
What is design attributes in Salesforce Lightning Framework? When we need to expose an attribute of the component to the end user so that he can change/update the value of the component in builder tools like the Lightning App Builder, Community Builder, or Flow Builder.
How to create a design attribute in LWC?
But in LWC we declare design attribute in the Component Configuration File (XML) with tag. You need to defines the property in the component’s JavaScript class using the @api decorator. So now let’s have a look at how you can create design attribute in LWC.
How to define a component in Lightning component bundle?
An attribute marked as required in the component definition automatically appears, unless it has a default value assigned to it. For Lightning page interfaces, the design resource supports only attributes of type Integer, String, or Boolean.
What do you need to know about lightning input documentation?
The default is text. The label attribute is required. If you don’t want to display a label, specify the variant=”label-hidden” attribute. See Accessibility for more information. You can define an action for input events like blur, focus, and change.
Why do we use V in Lightning components?
Because “v” represents the view, which is built by a set of attributes. Also, we will be able of reading and manipulating the attribute values through javascript. The properties name and type are compulsory for an attribute. Optionally we can indicate a description, a default value and if the attribute is required.