JavaScript Developer I Certification Maintenance (Summer '22)
→ Maintain Your JavaScript Developer I Certification for Summer '22
1. Which attribute of an event helps a developer identify the event when working in the Lightning App Builder?
A. recordId
B. Item selected
C. event
D. schema
E. label
2. Styling hooks are now generally available in the Lightning Design System. What is the new styling hook namespace
A. --sds
B. :host
C. --slds
D. onclick
3. UTAM is based on a design pattern commonly used in UI tests. What is the design pattern called?
A. Java UI design
B. Page object design
C. Lightning design
D. JavaScript design
4. What are two types of barcodes that can be scanned from a Lightning web component?
A. UPC and WNI
B. UPC and QR
C. QED and QR
D. IT and MSG
5. Pull-to-refresh is a convention used in mobile apps as a way to reload data. How is pull-to-refresh disabled in the Salesforce mobile app?
A. Fire a CustomEvent
B. Remove a component
C. Use a page object
D. Add a detail property
6. When a developer enables light DOM on a component, it no longer renders its elements in the shadow tree. Where is light DOM attached?
A. host element
B. render element
C. shadow root
D. Light mode
E. Query selector
→ Maintain Your JavaScript Developer I Certification for Summer '22
Launch the org you'll use for the hands-on challenge, then do the following.
- Connect Visual Studio Code to your Trailhead playground
- Create a new LWC in VS Code: recordCardQuickFiles
- Copy Code and deploy recordCardQuickFiles LWC to Trailhead Playground
JavaScript file (recordCardQuickFiles.js)
Certification Maintenance Due Date:
August 18, 2023
Helpful link:
Summer '22 Certification Maintenance