Good platform for web coding?

Question

I m searching for a good platform that can be easy and have good suggestions like solo learn code playground in android
Solo learn not suggest anything.
What do you suggest for pc that is as good as solo learn?

Answer 1

Sololearn code playground is not limited to app'... version on website is perfect: http://code.sololearn.com/

Answer 2

w3schools and codingfork