How to add an attribute to a lightning component?

How to add an attribute to a lightning component?

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 “. To make attribute as required use required=” true ” in the tag.

What is lightning component attribute in Salesforce apex?

What is 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“.

How to set value for lightning inputfield dynamically?

I found a way around that. You can bind your inputField value to an aura:attribute, and then set the value of the aura:attribute. This is particularly useful for Lookup fields on the object, where using lightning:input loses functionality. Thanks for contributing an answer to Stack Overflow!

When to use whom attribute in Lightning aura?

In this case we’ve got an attribute named whom of type String. If no value is specified, it defaults to “world”. Though not a strict requirement, tags are usually the first things listed in a component’s markup, as it provides an easy way to read the component’s shape at a glance.

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.

How are component attributes set in Lightning aura?

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. Component attributes are like member variables on a class in Apex.

How to access fields of an object in Lightning?

Pass current Account record and current column to Cell Component which will display the value for it dynamically. This is how our complete Accounts component looks like: This is how we can Access Fields of an Object Dynamically in Lightning Component.

How to create a HTML table in Lightning?

Create a Lightning Component to call this Apex method to fetch the list of Accounts from init handler. The columns variable stores the list of columns to display and lstAccount stores the list of Accounts. For the simplicity of this demonstration, we will create an HTML Table in Lightning Component.

How to add attribute in Salesforce Lightning app?

tag is used to add an attribute to the lightning component and Salesforce lightning App. 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“.

What does aura mean in Lightning component framework?

What Is the Lightning Component Framework? aura:attribute describes an attribute available on an app, interface, component, or event. Indicates whether the attribute can be used outside of its own namespace. Possible values are public (default), and global, and private.

What are the naming rules for an attribute?

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 “. Attribute naming Rules. An attribute name must follow these naming rules. Must begin with a letter or an underscore. Must contain only alphanumeric or underscore characters.

How to set default values in Lightning aura?

To set a default value, surround comma-separated values with []; for example default=” [‘red’, ‘green’, ‘blue’]”. Setting a default value without square brackets is deprecated and can lead to unexpected behavior. An ordered collection of items.

Where can I find list of supported attribute types?

For a list of basic types supported, see Basic Types. The default value for the attribute, which can be overwritten as needed. When setting a default value, expressions using the $Label, $Locale, and $Browser global value providers are supported.