What is the difference between angular 1 and 2?

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Tags

1. #changed
2. #which
3. #rewritten
4. #javascript
5. #controllers
6. #completely
7. #superset
8. #structural
9. #upgrade
10. #syntax
11. #replaced
12. #components
13. #angular
14. #directives
15. #typescript
16. #doesn