Lightning Web Components Interview Questions

Lightning Web Components(LWC) Interview Questions and Answers

1. What is a Lightning Web Components?
2. What are the advantages of using LWC over Lightning components? 
3. Is it Work Together with Lightning Web Components and Aura Components?
• Yes, Lightning web components and aura components work together without any issues. Aura components can contain Lightning web components, but Lightning web components can't contain aura components.
4. What is a @track decorator in js file?
• It will keep track of the property’s value changes. This decorator is used to make a property private and which helps to re-render the component when the property value is changed.
5. What is a @api decorator in js file?
• It is used to expose the public property of a web component. this property can use in it's parent component. 
6. What is a @wire decorator in js file?
•  To access Salesforce data (calling an apex method), Lightning web components use a reactive wire service.