Understanding attributes

Let's understand value providers in Lightning Components, before diving deeper into attributes. Value providers hold data and provide a way to access that data. Lightning Components have two types of value providers out of the box. They are listed in the following table:

Value provider	Description
v  (view)	This allows access to the value of the attribute in the Component Markup.
c  (controller)	This allows you to wire events and actions .

 

An attribute is a placeholder to hold data. You can treat attributes like Java variables. The following is the syntax to define attributes:

<aura:component>
    <aura:attribute name="searchString" type="String" default="lighnting components"/>
</aura:component>

Name and data type are mandatory when defining attributes. An attribute...