A practical guide to debugging Node.js applications using Chrome DevTools instead of relying on console.log statements. Covers starting a Node.js process in inspect mode with the --inspect flag, connecting Chrome via chrome://inspect, setting breakpoints, stepping through code line by line, stepping into and out of functions, inspecting and modifying variable values at runtime, and persisting file changes made inside the debugger back to the filesystem. Uses a simple Express app with a typo bug (employeeAge vs employee_age) as a hands-on example throughout.
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