Where to start javascript "enterprise experience"?

Question

JavaScript

Need help/guide on how to get experience in "enterprise experience" javascript.
Main points of interest:

• 1) Acceptable web-app level for a beginner? (examples)
  
• 2) List of books/articles to enter.
  
• 3) Top thematic resources, code samples, community (links)
  
• 4) Using technologies/frameworks, what's the focus for a beginner or just angularjs?
  
• 5) Cheap/Free Hosting
  
• 6) Based on your experience, how would you rate the transition from backend to frontend? Why are you focusing on "enterprise experience"?
  

Answer 1

5. www.hostinger.com

Answer 2

DigitalOcean

Answer 3

Nice selection of js superherojs.com