- Each attribute must have “name” and “type“.
- To make attribute as required use required=”true” in the tag.
- To make default value use default=”string or integer“.
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In respect to this, how do you get attribute value in lightning controller?
Get an Attribute Value get(String key) and component. set(String key, Object value) retrieves and assigns values associated with the specified key on the component. Keys are passed in as an expression, which represents an attribute value. To retrieve an attribute value of a component reference, use component.
Also Know, how do you find the component of lightning? You can find the component by calling cmp. find("button1") , where cmp is a reference to the component containing the button. The find() function has one parameter, which is the local ID of a component within the markup. find() returns different types depending on the result.
In this manner, what is attribute in lightning component?
Component Attributes. Component attributes are like member variables on a class in Apex. They are typed fields that are set on a specific instance of a component, and can be referenced from within the component's markup using an expression syntax. Attributes enable you to make components more dynamic.
What is attribute tag in Salesforce?
Custom Component Attributes. An <apex:attribute> tag requires values for the name , description , and type attributes: The name attribute defines how the custom attribute can be referenced in Visualforce pages.