What is the singleton pattern?
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What are angular 4?
How would you use a route guard?
How can you use factory method in angularjs?
Explain data binding in angular 4?
What is 'control html dom programmatically' in angularjs?
Why is ngoninit called twice?
What is the difference between a unit and end-to-end (e2e) test in angularjs?
When do you use template-driven vs model-driven forms? Why?
Difference between display:none & visiblity:hidden?
What is eager loading in angular 4?
Explain $q service, deferred and promises.
What is an impure pipe?