Using the Firefox DevTools to Debug fetch() on GitHub
Explore a real-world debugging scenario using Firefox DevTools to identify and resolve a fetch() issue on GitHub in this 17-minute video tutorial. Follow along as Dan Callahan demonstrates how to use the Network Panel, edit and resend HTTP requests, prettify minified JavaScript, set breakpoints on event handlers and lines, navigate the call stack, and analyze GitHub's FormData constructor. Learn to verify bugs by testing fetch() on different domains, consult API documentation, and file bugs in Bugzilla. Gain insights into the lifecycle of Bug 1143857, from its discovery to resolution, and understand how to verify fixes in a new Firefox build. Enhance your web development skills with practical debugging techniques and tools provided by Firefox Developer Edition.