What is observable and promise?
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what is the difference between a module’s forroot() and forchild() methods and why do you need it?
Why use node.js?
What is the use of canactivate in angular?
What is the difference between [ngfor] and [ngforof]?
What do you mean by a structural directive in angular 2?
Is mvc front end or backend?
Why use multiple ngmodules?
how to include an external css in angular 4?
Explain host decorator in angular 2?
What is class binding in angular?
When should we use angular?
Can you explain a situation, when to use dependency injection in angularjs?