List the differences between angular 2 components vs. Directives.
What is the use of services in angular 4?
What is the use of pipe in rxjs?
What is elementref?
What is zones in angular 2?
Which service does the html $compile service use for the purpose of data binding?
Is angular js is a library, framework or plugins?
What is patchvalue used for?
What is guard in angular?
What makes angular.js better?
What's new in angular 2? Why you used angular 2?
Why there are two “destroy” events associated with the termination of scope in angularjs?
What are angular global apis?
What is the function of the $timeout service?
Distinguish between angularjs and javascript expressions.