Salesforce Lightning Web Components - LWC Interview Questions

Salesforce Lightning Web Components - LWC Interview Questions

salesforcepoint → Monday, 3 August 2020

Latest LWC Interview Questions 

1. What is LWC?
2. Difference between Lightning web components and Lightning aura components?
3. How to fire child lightning web component function from parent LWC component?
4. How to pass data from child LWC component to parent lightning aura component?
5. How to get dynamic record id in LWC? Answer: By using @api recordId; property we can dynamically fetch current record id in lightning web component.
6. What is difference between const, let and var types?
7. What's the difference between wire function imperative functon?
8. Is it possible to use lwc component in quick action?
9. Why wire function gets invoked multiple times?
10. What is the importance of Constructor in LWC?
11. What are the differences between @api, @wire @track lwc decorators?
12. What is the purpose of refreshApex() in LWC? Ex: https://www.salesforcepoint.com/2020/06/lwc-data-table-with-checkbox-example.html
13.  What is the meta data name of Lightning web component?  Ans: LightningComponentBundle
14. When will we get "Cannot Assign To Read Only Property Error" In LWC? How can we resolve that issue?
15. Can we refer lightning aura component inside Lightning web component?

Hello folks post your answers for above mentioned Lightning web component interview questions? 

Other LWC tutorials click here: https://www.salesforcepoint.com/search/label/LWC