RxJS Challenge
A set of little RxJS puzzles to practice your Observable skills by Alex and Roman.
Day 01
Create an Observable to track focus in a section of the page.
Day 02
Create a page visibility stream.
Additional Angular task: make it a global DI injection token.
Day 03
Show error message for 5 seconds if login has failed.
Bonus task: show user name instead of button upon successful login and disable button during server request.
Day 04
Make a loading with progress bar until result.
Day 05
Create a countdown and a button to restart it.
Day 06
Write a stream of selected seats for users of cinema website.
Day 07
Make a sticky header that disappears when you scroll down and re-appears when you scroll up.
Day 08
Make a sticky header that disappears when you scroll down and re-appears when you scroll up.
Day 09
Make subtitles appear in pairs for a karaoke game.
Day 10
Make a color picker.
Day 11
Make a toast notification disappear in 3 seconds unless user holds cursor over it
Day 12
Make a modal close on Esc key and by clicking outside.
Important: only clicks that both started and ended outside count!
