Reference files for the live-coding demos, in teaching order. Open any example and use View Source (right-click → View Page Source) to read the code — then rebuild it yourself.
▶ Open the Interactive SlidesSetting up database connection in Node.js
Create, Read, Update, Delete examples
Secure queries with parameterized statements
Full REST API with MySQL backend
Tip: don't copy-paste. Type the code yourself, break it on purpose, then fix it. Use DevTools (F12) to inspect what's happening.