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What is Aura attribute in lightning?
An aura attribute is like a variable that we use in programming language or in Apex class. These are typed fields and set on a specific instance of a component. These attributes can be used inside the component as expressions and in controller and helper as well.
What are attributes in lightning component?
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. All attributes have a name and a type.
How do you declare an aura attribute?
The name of the attribute. For example, if you set on a component called aura:newCmp , you can set this attribute when you instantiate the component; for example, . The default value for the attribute, which can be overwritten as needed.
How do you set attribute value in Aura component?
Setting Attributes on a Component Reference: Aura:set can be used to set the value of an attribute on the component reference. In case of , it can be used to set the value of attribute on . Here, for example, we will use aura:set to set the value ‘buttonTitle’ attribute of ui:button.
How do I change my aura attributes?
is used to set the value of an attribute inherited from a parent component, event, or to set the value of the attribute of a component reference.
What are lightning component attribute : aura : attribute?
Lightning Component Attribute (aura:attribute) are like member variables on a class in Apex. tag is used to add an attribute to the lightning component and Salesforce lightning App. Each attribute must have “ name ” and “ type “.
What are the basic types of lightning aura?
Here are the supported basic type values. Some of these types correspond to the wrapper objects for primitives in Java. Since the framework is written in Java, defaults, such as maximum size for a number, for these basic types are defined by the Java objects that they map to.
What do you need to know about supported aura?
Supported aura:attribute Types Attribute Name Description access Indicates whether the attribute can be u name Required. The name of the attribute. For type Required. The type of the attribute. For default The default value for the attribute, whi
What do you need to know about Aura in Java?
Required. The name of the attribute. For example, if you set on a component called aura:newCmp, you can set this attribute when you instantiate the component; for example, . Required. The type of the attribute.