Explain angular 4 providers.
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Explain api and how do we exchange the data from client side to server?
Explain what is key difference between angular expressions and JavaScript expressions?
How do you use singleton pattern?
How we can set http request header in angular 2 and angular 4?
What is a selector?
Why should I use angular 7?
What is router state in angular 2?
What is scope emit?
Difference between services and factory.
What is location path?
In case of nested controllers, does the $scope object shared across all controllers?
What are directives?