Part 4 — Counter


Part 3 — Color Changer

Photo by Robert Katzki on Unsplash


Part 2 — Quiz app

Photo by Simone Secci on Unsplash


Photo by Pankaj Patel on Unsplash


Photo by Seth Doyle on Unsplash


Part 1 — Countdown Timer

Photo by Agê Barros on Unsplash


Photo by Pankaj Patel on Unsplash

Photo by Pankaj Patel on Unsplash
  • width and height of the viewport
  • width and height of the device
  • orientation (is the tablet/phone in landscape…


Photo by David Herron on Unsplash

Photo by UX Indonesia on Unsplash

Brian Butterly

Learning to code, one day at a time.

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