LWC Basics Quiz
10 quick questions to test your Lightning Web Components (LWC) knowledge. Click an option to instantly see if you got it right — no submit button needed.
Score: 0 / 10
Question 1 of 10
Which decorator is used to expose a public property from an LWC component?
Question 2 of 10
Which decorator lets a component call an Apex method or receive reactive data from Salesforce?
Question 3 of 10
What base class does every Lightning Web Component extend?
Question 4 of 10
Which lifecycle hook fires when a component is inserted into the DOM?
Question 5 of 10
How does a child component communicate data up to its parent in LWC?
Question 6 of 10
In modern LWC (Spring ’20 and later), do you need @track on a simple primitive property (like a string or number) for the UI to update when it changes?
Question 7 of 10
Which module would you import to navigate to another page or record in LWC?
Question 8 of 10
What is the correct way to reference a static resource named “myLogo” in an LWC JS file?
Question 9 of 10
Which file extension holds the HTML markup for an LWC component’s template?
Question 10 of 10
Which CLI command is used to deploy LWC source metadata to an org?
