1. How do you handle browser-specific selectors?
Basic
Browser-specific selectors require: 1) Using data-* attributes for consistency, 2) Implementing fallback selectors, 3) Handling vendor prefixes, 4) Using browser detection when needed, 5) Maintaining selector documentation for different browsers.
2. What is viewport configuration in cross-browser testing?
Basic
Viewport configuration includes: 1) Setting width and height, 2) Handling responsive breakpoints, 3) Device-specific viewports, 4) Orientation settings, 5) Browser-specific viewport behaviors. Use cy.viewport() command or configuration.
3. What browsers does Cypress support for testing?
Basic
Cypress supports: 1) Chrome and Chromium-based browsers (Chrome, Chromium, Edge), 2) Firefox, 3) Electron, 4) Brave. Each browser may have specific configuration requirements and limitations. Chrome is the default browser and provides the most complete feature set.
4. How do you configure different browsers in Cypress?
Basic
Browser configuration involves: 1) Setting browser in cypress.config.js, 2) Using --browser flag in CLI, 3) Configuring browser-specific options, 4) Setting viewport dimensions, 5) Handling browser-specific capabilities. Example: cypress run --browser chrome
5. What are the common cross-browser testing challenges?
Basic
Common challenges include: 1) Different rendering behaviors, 2) Feature support variations, 3) Performance differences, 4) Browser-specific bugs, 5) Different security models, 6) Varying JavaScript implementations, 7) CSS compatibility issues.
6. How do you handle browser events across different browsers?
Basic
Browser event handling includes: 1) Using browser-agnostic event triggers, 2) Implementing event polyfills when needed, 3) Handling browser-specific event behaviors, 4) Testing event propagation, 5) Verifying event handling consistency.
7. How do you handle browser capabilities detection?
Basic
Capability detection involves: 1) Feature checking, 2) Browser version detection, 3) API support verification, 4) Implementing fallbacks, 5) Managing browser-specific code paths. Use Cypress.browser object for information.
8. What are common browser compatibility issues?
Basic
Common issues include: 1) CSS rendering differences, 2) JavaScript API support, 3) Event handling variations, 4) Performance differences, 5) Security model variations, 6) DOM implementation differences.
9. What strategies exist for handling browser-specific bugs?
Moderate
Bug handling strategies include: 1) Browser detection and workarounds, 2) Feature detection, 3) Conditional test execution, 4) Browser-specific assertions, 5) Documentation of known issues.
10. How do you handle browser-specific network behaviors?
Moderate
Network handling includes: 1) Browser-specific request handling, 2) CORS configuration, 3) SSL/TLS testing, 4) Network throttling, 5) Request interception across browsers.
11. How do you implement cross-browser visual testing?
Advanced
Visual testing includes: 1) Advanced screenshot comparison, 2) Visual regression algorithms, 3) Layout testing strategies, 4) Complex visual verification, 5) Browser-specific visual testing.
12. What are best practices for cross-browser screenshots?
Basic
Screenshot best practices include: 1) Consistent viewport settings, 2) Handling dynamic content, 3) Browser-specific capture settings, 4) Proper comparison strategies, 5) Managing screenshot artifacts across browsers.
13. How do you handle CSS differences across browsers?
Moderate
CSS handling includes: 1) Vendor prefix management, 2) CSS reset/normalize usage, 3) Browser-specific stylesheet loading, 4) Visual regression testing, 5) Style computation verification.
14. What are strategies for testing responsive designs?
Moderate
Responsive testing includes: 1) Multiple viewport configurations, 2) Browser-specific breakpoint testing, 3) Device emulation, 4) Media query testing, 5) Layout verification across browsers.
15. What strategies exist for cross-browser performance testing?
Moderate
Performance testing includes: 1) Browser-specific metrics collection, 2) Performance baseline comparison, 3) Resource loading optimization, 4) Rendering performance testing, 5) Memory usage monitoring.
16. What are patterns for handling browser version targeting?
Moderate
Version targeting includes: 1) Browser version detection, 2) Feature support matrices, 3) Version-specific test suites, 4) Compatibility documentation, 5) Version-specific configurations.
17. What are approaches for testing browser-specific features?
Advanced
Feature testing includes: 1) Advanced feature detection, 2) Complex compatibility matrices, 3) Feature-specific test suites, 4) Browser capability testing, 5) Advanced feature verification.
18. How do you implement cross-browser accessibility testing?
Advanced
Accessibility testing includes: 1) Screen reader compatibility, 2) ARIA implementation testing, 3) Keyboard navigation verification, 4) Color contrast analysis, 5) Browser-specific accessibility features.
19. What are approaches for testing complex UI interactions?
Advanced
Complex interaction testing includes: 1) Advanced event handling, 2) Touch/mouse interaction testing, 3) Drag-and-drop verification, 4) Gesture support testing, 5) Browser-specific interaction patterns.
20. How do you implement advanced browser automation?
Advanced
Advanced automation includes: 1) Complex browser orchestration, 2) Multi-browser scenarios, 3) Browser synchronization, 4) Advanced browser control, 5) Browser state management.
21. How do you manage browser-specific test configurations?
Moderate
Configuration management includes: 1) Browser-specific settings in config files, 2) Environment-specific configurations, 3) Feature flags for different browsers, 4) Browser-specific plugins, 5) Custom commands per browser.
22. How do you implement advanced cross-browser testing strategies?
Advanced
Advanced strategies include: 1) Comprehensive browser coverage, 2) Automated browser matrix testing, 3) Complex compatibility testing, 4) Advanced visual regression, 5) Sophisticated browser orchestration.
23. What are strategies for testing browser-specific animations?
Advanced
Animation testing includes: 1) Advanced animation verification, 2) Timing-based testing, 3) Frame rate analysis, 4) Animation performance testing, 5) Browser-specific animation handling.
24. What are strategies for testing browser extensions?
Advanced
Extension testing includes: 1) Complex extension integration, 2) Extension API testing, 3) Cross-browser compatibility, 4) Extension performance testing, 5) Security verification.
25. How do you handle browser-specific timeouts?
Basic
Timeout handling includes: 1) Setting browser-specific timeout values, 2) Handling different performance characteristics, 3) Implementing retry strategies, 4) Managing command timeouts, 5) Browser-specific wait conditions.
26. How do you handle browser-specific JavaScript features?
Moderate
JavaScript handling includes: 1) Feature detection, 2) Polyfill implementation, 3) Browser-specific code paths, 4) API compatibility testing, 5) Error handling across browsers.
27. What are approaches for testing browser extensions?
Moderate
Extension testing includes: 1) Browser-specific extension loading, 2) Extension API testing, 3) Integration testing with extensions, 4) Extension state management, 5) Cross-browser compatibility.
28. How do you handle browser-specific security features?
Moderate
Security feature handling includes: 1) Same-origin policy differences, 2) Security header testing, 3) Cookie handling variations, 4) Certificate verification, 5) Security model testing.
29. How do you implement cross-browser performance optimization?
Advanced
Performance optimization includes: 1) Browser-specific optimizations, 2) Resource loading strategies, 3) Rendering optimization, 4) Memory management, 5) Network performance testing.
