Sunday, 3 November 2019

Popular angular interview questions


What are the benefits of Angular?
What are prerequisites for building a new angular application?
What is a component in Angular?
How to create a new angular application?
How to add Bootstrap to angular application?
What the building block of an angular application?
Describe how a component works in angular?
How an angular application executes?
What is selector in Component?
When to use templateUrl instead of template in angular?
What are the differences between template and templateUrl properties and when to use one over the other?
What is data binding in angular?


What is a directive? How many types of directives are present in angular?
What is component directive?
What is attribute directive?
What is structural directive?
What is ngFor trackBy in angular?
How to create custom directives?
How to create custom attribute directive?
How to create custom structural directive?
What is the meaning of using * (Star) with structural directive?
When to use string interpolation vs attribute binding vs property binding?
Describe the module. How it works?
What is the need of more module in an angular application?
What are the feature modules?
What is a service?
What is dependency injection in angular?
Describe the component life cycle hook in angular?
What is the difference between component and directive in angular?
Describe the pipe. How it works?
How to create a custom pipe?
How to pass data from one component to another component?
How to pass data form parent component to child component?
How to pass data form child component to parent component?
What is angular reactive form?
How to create an angular reactive form?
How to create an angular reactive form with client-side validations?
How to add validation logic dynamically in reactive forms?
How to achieve cross field validations in reactive forms?
How to create a custom validator in angular?
How to pass paraments to custom validator in angular?
How to make a custom validator logic to reusable in angular application?
What is FormArray in angular forms?
What is the difference between a FormGroup and a FormArray?
How to add controls dynamically in angular forms?
How to apply validation logic to dynamically created controls in angular forms?
How to remove dynamically created controls from angular forms?
What are the difference between RxJS 5 vs RxJS 6 ?
What is feature module in angular and why it is re uired?
What is the difference between FormBuilder and FormControl? When to use one over another?
What is angular CLI?
How to install angular CLI?
How to create a new project using angular CLI?
What are the different options can be used with CLI ng new Command?
How to generate a new component?
How to generate a new Service?
How to generate a new module using angular CLI?
How to generate a new directive, pipe, routing guards using angular CLI?
How to generate a class, interface and enum using angular CLI?
What is Linting?
What are tslint rules?
How to compile and run an angular application locally on your development machine?
What happens behind the scenes when we compile and run an angular application?
What is bundling and why is it important for performance?
What are angular CLI ng serve options?
How to compile an angular application
What are the differences between dev build and prod build?
What are the differences between AOT and JIT?
How to deploy an angular application in to IIS?
How to create custom directives?
How to create custom attribute directive?
How to create custom structural directive?
What is the meaning of using * (Star) with structural directive?
Describe the module. How it works?
What is the need of more module in an angular application?
What are the feature modules?

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