Quick, somebody give me a web coding challenge!

Question

Not like creating a full website or anything. But something simple yet challenging.

Answer 1

https://www.sololearn.com/Discuss/883301/?ref=app
https://www.sololearn.com/Discuss/1006371/?ref=app
https://code.sololearn.com/W9mqwS28zDUP/?ref=app

Answer 2

Build something more practical task.
e.g. build a real forex price bulletin from forex api
https://1forge.com/forex-data-api/api-documentation