sudheerj / angular-interview-questions

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Table of Contents | No. | Questions | |---- | --------- |1 | What is Angular Framework?| |2 | What is the difference between AngularJS and Angular?| |3 | What is TypeScript?| |4 | Write a pictorial diagram of Angular architecture?| |5 | What are the key components of Angular?| |6 | What are directives?| |7 | What are components?| |8 | What are the differences between Component and Directive?| |9 | What is a template?| |10| What is a module?| |11| What are lifecycle hooks available?| |12| What is a data binding?| |13| What is metadata?| |14| What is Angular CLI?| |15| What is the difference between constructor and ngOnInit?| |16| What is a service| |17| What is dependency injection in Angular?| |18| How is Dependency Hierarchy formed?| |19| What is the purpose of async pipe?| |20| What is the option to choose between inline and external template file?| |21| What is the purpose of *ngFor directive?| |22| What is the purpose of ngIf directive?| |23| What happens if you use script tag inside template?| |24| What is interpolation?| |25| What are template expressions?| |26| What are template statements?| |27| How do you categorize data binding types?| |28| What are pipes?| |29| What is a parameterized pipe?| |30| How do you chain pipes?| |31| What is a custom pipe?| |32| Give an example of custom pipe?| |33| What is the difference between pure and impure pipe?| |34| What is a bootstrapping module?| |35| What are observables?| |36| What is HttpClient and its benefits?| |37| Explain on how to use HttpClient with an example?| |38| How can you read full response?| |39| How do you perform Error handling?| |40| What is RxJS?| |41| What is subscribing?| |42| What is an observable?| |43| What is an observer?| |44| What is the difference between promise and observable?| |45| What is multicasting?| |46| How do you perform error handling in observables?| |47| What is the shorthand notation for subscribe method?| |48| What are the utility functions provided by RxJS?| |49| What are observable creation functions?| |50| What will happen if you do not supply handler for the observer?| |51| What are Angular elements?| |52| What is the browser support of Angular Elements?| |53| What are custom elements?| |54| Do I need to bootstrap custom elements?| |55| Explain how custom elements works internally?| |56| How to transfer components to custom elements?| |57| What are the mapping rules between Angular component and custom element?| |58| How do you define typings for custom elements?| |59| What are dynamic components?| |60| What are the various kinds of directives?| |61| How do you create directives using CLI?| |62| Give an example for attribute directives?| |63| What is Angular Router?| |64| What is the purpose of base href tag?| |65| What are the router imports?| |66| What is router outlet?| |67| What are router links?| |68| What are active router links?| |69| What is router state?| |70| What are router events?| |71| What is activated route?| |72| How do you define routes?| |73| What is the purpose of Wildcard route?| |74| Do I need a Routing Module always?| |75| What is Angular Universal?| |76| What are different types of compilation in Angular?| |77| What is JIT?| |78| What is AOT?| |79| Why do we need compilation process?| |80| What are the advantages with AOT?| |81| What are the ways to control AOT compilation?| |82| What are the restrictions of metadata?| |83| What are the three phases of AOT?| |84| Can I use arrow functions in AOT?| |85| What is the purpose of metadata json files?| |86| Can I use any javascript feature for expression syntax in AOT?| |87| What is folding?| |88| What are macros?| |89| Give an example of few metadata errors?| |90| What is metadata rewriting?| |91| How do you provide configuration inheritance?| |92| How do you specify angular template compiler options?| |93| How do you enable binding expression validation?| |94| What is the purpose of any type cast function?| |95| What is Non null type assertion operator?| |96| What is type narrowing?| |97| How do you describe various dependencies in angular application?| |98| What is zone?| |99| What is the purpose of common module?| |100| What is codelyzer?| |101| What is angular animation?| |102| What are the steps to use animation module?| |103| What is State function?| |104| What is Style function?| |105| What is the purpose of animate function?| |106| What is transition function?| |107| How to inject the dynamic script in angular?| |108| What is a service worker and its role in Angular?| |109| What are the design goals of service workers?| |110| What are the differences between AngularJS and Angular with respect to dependency injection?| |111| What is Angular Ivy?| |112| What are the features included in ivy preview?| |113| Can I use AOT compilation with Ivy?| |114| What is Angular Language Service?| |115| How do you install angular language service in the project?| |116| Is there any editor support for Angular Language Service?| |117| Explain the features provided by Angular Language Service?| |118| How do you add web workers in your application?| |119| What are the limitations with web workers?| |120| What is Angular CLI Builder?| |121| What is a builder?| |122| How do you invoke a builder?| |123| How do you create app shell in Angular?| |124| What are the case types in Angular?| |125| What are the class decorators in Angular?| |126| What are class field decorators?| |127| What is declarable in Angular?| |128| What are the restrictions on declarable classes?| |129| What is a DI token?| |130| What is Angular DSL?| |131| What is an rxjs Subject?| |132| What is Bazel tool?| |133| What are the advantages of Bazel tool?| |134| How do you use Bazel with Angular CLI?| |135| How do you run Bazel directly?| |136| What is platform in Angular?| |137| What happens if I import the same module twice?| |138| How do you selec…