Checkout earlier posts in interview question series to read previous questions. 44. How to render component conditionally? Conditional markup is a term to display or hide components based on some condition. Example,…
Checkout earlier posts in interview question series to read previous questions. 36. What are attributes? Attributes are same as variables in a Class. They are typed fields that are set on a…
Checkout earlier posts in interview question series to read previous questions.27. What are application events?Application events follow a traditional publish-subscribe model. An application event is fired from an instance of a component.…
Checkout earlier posts in interview question series to read previous questions.17. What are component events?Component events allow you to make a communication channel within same hierarchy. A component event is…
9. What are different ways to call a javascript controller method?Javascript Controller method can be called via:By browser events like onclick, onchange etcBy Aura handlers of lifecycle events init handler,…
1. What is Aura Framework?Aura is an open source framework developed by Salesforce. It is a component based framework to develop UI components.2. What is Lightning Framework?Lightning Framework is based…
Now we get all different types of components with different names such as Aura Components, Lightning Web Components, and Lightning Components. What are these? Why do we need these many…
Lightning web components, a new way to develop Lightning Components has gone live in Spring19 (Feb -2019) release of Salesforce. What was the need for it? When we just got…
A user has just filled 20+ input boxes in your Lightning component and accidentally refreshed the page (that command+R can be tricky), feel the frustration of the user in this…
Witn Spring19, you can fire toast messages from Visualforce pages now. Toast messages can be sent using "showToast" method which is the latest member in sforce.one object. Which means, these messages…