To debug your application locally, use debugging tools integrated into your development environment. Set breakpoints in your code, inspect variables, and step through your code line by line to understand where issues arise.

Debugging is an essential skill for developers, especially when working on complex applications. Here’s how to effectively debug your application in a local environment: 1. Set Up Your Development Environment: Ensure that you have a proper local setup that mimics your production environment as closely as possible. This includes installing the same version of dependencies and configuring environment variables. 2. Utilize Integrated Debugging Tools: Most modern IDEs (like Visual Studio Code, IntelliJ, or PyCharm) come with integrated debugging tools. Familiarize yourself with these tools and their functionalities. You can set breakpoints to pause execution at specific lines, allowing you to inspect variables and program state. 3. Start the Debugger: Launch your application in debug mode. Depending on your IDE, this might involve clicking a debug icon or using a command like npm run debug. This will initiate your application and allow you to hit breakpoints as execution flows through your code. 4. Set Breakpoints: Place breakpoints at critical locations in your code where you suspect issues might arise. This could be before a function call, within a loop, or after a conditional statement. When execution hits a breakpoint, it will pause, allowing you to inspect the current state. 5. Step Through the Code: Once execution is paused, use stepping commands (like Step Over, Step Into, Step Out) to control the flow of your application. This allows you to follow the execution path and see how data changes at each stage. 6. Inspect Variables: While debugging, take advantage of the ability to inspect variables and watch expressions. This feature lets you view the current value of variables in real time, helping you identify unexpected behavior. You can also set watches on specific variables to track their changes throughout the execution. 7. Utilize Console Logs: In addition to using breakpoints, sprinkle console log statements throughout your code to gain insight into its behavior. These logs can provide context about the application state at various points and can help clarify the flow of execution. 8. Check External Dependencies: If your application relies on external APIs, databases, or services, ensure they are accessible in your local environment. Use tools like Postman to manually test API endpoints or database clients to verify database connections. 9. Refactor Problematic Code: If you identify sections of code that are particularly complex or hard to debug, consider refactoring them for clarity. Simpler code is easier to debug and maintain. 10. Document Findings: As you debug, take notes on what you discover, including any fixes you implement. This documentation will be valuable for future reference and may help other team members facing similar issues. By using these strategies, you can enhance your debugging skills and effectively resolve issues in your application.