Senior User Interface Architect Interview Questions and Answers

The observer pattern was not used in the app due to performance concerns and complexity.

• The observer pattern can lead to performance issues in apps with a large number of observers.

• Direct method calls can be more efficient than using the observer pattern.

• The app may not have complex event handling requirements that warrant the use of the observer pattern.

Rendering issues in React can impact web application performance.

• Optimize component rendering by using shouldComponentUpdate or React.memo.

• Avoid unnecessary re-renders by using PureComponent or memoization techniques.

• Use virtualization techniques for long lists to improve performance.

• Analyze performance using browser developer tools like Chrome DevTools.

• Consider code splitting and lazy loading for better performance.

• Minimize the use of inline styles and optimize CSS for faste...read more