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Learn to build a web-based market scanner using the Interactive Brokers API in this 12-minute tutorial that demonstrates creating a full-stack application with both backend API integration and frontend web interface. Begin with a recap of previous parts before diving into a live demonstration of the scanner functionality, then access the complete source code and detailed writeup through the provided resources. Explore the scanner API implementation and router code structure, understanding how to set up the backend endpoints for market data retrieval. Examine the frontend template design and JavaScript implementation that powers the user interface, learning best practices for code organization including when to use copy-paste blocks versus line-by-line coding approaches. Follow the JavaScript execution flow through browser console debugging to understand data processing and display logic. Integrate Finviz charts for enhanced market visualization and customize the application's appearance through stylesheet modifications. Conclude with an overview of advanced features including webhooks integration, trading log functionality, and database implementation for comprehensive market scanning capabilities.
