Pradeep Loganathan PradeepLoganathan

## angular-interview-questions.md

      
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                PradeepLoganathan
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              January 19, 2018 03:52
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    Angular Interview Questions

Some basic questions going from easy to difficult. A more exhaustive list of more questions from the community can be found here.
Easy


Whats the difference between components and directives? [ANSWER]: Components are widgets while directives more like decorators for elements and/or components.
How do you get a reference to a child component? [ANSWER]: ViewChild/ViewChildren or ContentChild/ContentChildren
What is the difference between ViewChild and ContentChild?
Whats the difference between NgModules and ES2015 Modules?
How do you lazy load components and why is lazy loading important?
Explain Observables and why they are useful.