What is singleton pattern? How does angular use it?
What’s the difference between dirty, touched, and pristine on a form element?
What is pipe decorator?
Does angular support nested controllers?
Difference between sessionstorage, cookies, and localstorage.
What are custom directives?
What is backend javascript?
What are directive words?
What are the directives available in router?
What are the services in angular js?
What is ngmodule decorator?
How to using looping through a collection for each item in angular js?
How to generating new pipes, tabs, components and pages using ionic 3 cli in angular 4?