Web Engineering 1 – Exercise Sheets

Solutions to the exercise sheets (Blätter) for the Web Engineering 1

Each we1.blattXX folder is a self-contained, independent project with its own package.json, tests, and configuration — matching the template provided by the course for each fork.

Overview of the sheets

Sheet	Topic	Focus
we1.blatt01	Waage class	TypeScript class fundamentals: fields, constructor, methods
we1.blatt02	conversions.ts, quiz.ts	Type conversions, plus expressions/operators in JavaScript/TypeScript
we1.blatt03	leetSpeak.ts, simpleCSV.ts	String processing: iterative and recursive letter substitution (leetspeak), plus parsing CSV text into a 2D array
we1.blatt05	VierGewinnt	Implementing the game logic for Connect Four (board, moves, types)
we1.blatt06	order.ts, wikipediaPageViews.ts, friends/	Synchronous vs. asynchronous programming, Promises, accessing the Wikipedia pageviews API
we1.blatt08	responsiveItems.html, gridVsTable.html, appwindow.html	Pure HTML/CSS: grid vs. table layout and responsive design (no JS/TS)

Technologies

• TypeScript (compiled with tsc)
• Jest / ts-jest for unit tests
• npm as package manager
• Plain HTML/CSS in Sheet 08

Usage

Each sheet is worked on independently. Change into the relevant folder and run:

cd we1.blattXX
npm install
npm test      # run the tests (not applicable to Sheet 08)
npm run build # compile to dist/ (TypeScript sheets)

License

These files may only be used in the context of the course mentioned above and are intended for personal use only.