To troubleshoot cross-browser compatibility issues, test your application on various browsers and devices. Identify CSS and JavaScript features that may not be supported across all platforms.

Cross-browser compatibility is essential for providing a consistent user experience across different browsers and devices. To troubleshoot compatibility issues effectively, begin by testing your application on multiple browsers, including Chrome, Firefox, Safari, Edge, and any relevant mobile browsers. Use tools like BrowserStack or CrossBrowserTesting to simulate various environments and identify discrepancies in how your application behaves. As you test, take note of any features or styles that are not rendering correctly. Identify specific CSS and JavaScript features that may not be supported across all platforms. You can use resources like Can I Use to check browser support for specific features and find alternatives if necessary. Polyfills or fallbacks can be employed for unsupported features to ensure that users on older browsers still have a functional experience. Additionally, review your CSS styles for potential issues. Certain properties may behave differently in various browsers, especially when it comes to layout and positioning. Using CSS resets or normalizers can help establish consistent styling across browsers. Debugging tools built into browsers can provide insights into layout issues, allowing you to inspect elements and view applied styles in real-time. Focus on responsive design principles, ensuring that your application adapts gracefully to different screen sizes and orientations. As you troubleshoot, document your findings and create a compatibility matrix for your application, outlining which features work on which browsers. This can serve as a valuable reference for future development. Regularly check for updates to browsers and libraries, as improvements and changes can affect compatibility. By systematically addressing these factors, you can enhance cross-browser compatibility and ensure a smoother experience for all users.