Why is AngularJS needed?

Related questions

1. What is difference between component and module in angular?
2. How do components communicate with each other?
3. What is the use of NG model?
4. What is Formcontrolname?
5. What is Ng controller in AngularJS?
6. What is the purpose of NgModule?
7. What is $HTTP in AngularJS?
8. Is dirty in AngularJS?
9. What is Ng dirty?
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Tags

1. #according
2. #frontend
3. #framework
4. #application
5. #entity
6. #creating
7. #angularjs
8. #dynamic
9. #structural
10. #angular
11. #sufficient
12. #because
13. #extend
14. #create
15. #components
16. #syntax