Leveraging Lightning base components

Lightning base components have a baked-in functionality to handle the formatting of data, validating data , connecting with the Salesforce object, using SLDS, and many more. They are optimized for performance, and hence wherever applicable developers should  leverage them. An example use case would be, instead of using custom SVG components, use Lightning:icon and Lightning:buttonIcons.

Creating a record form, using Lightning:recordForm

The Lightning:recordForm component is one of the most powerful components that Salesforce offers that allows the user to edit and insert data into a Salesforce object, with minimal code. It can be used to present record form in edit mode, detail view, and readOnly view.

To create a simple contact form, you will need a code snippet that contains the recordForm component. Notice this code example does not include any Apex logic:

<aura:component>
    <aura:attribute name="newContact" type="String[]" default="['LastName...