Angular 7 Interview Questions

What is the difference among “declarations”, “providers” and “import” in NgModule?

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Difference among declarations”, “providers” and “import” in NgModule: declarations are used to make directives (including components and pipes) from the current module available to other directives in the current module. Selectors of directives, components or pipes are only matched against the HTML if they are declared or imported. providers are used to make services and … Read more

What is the difference between structural directive and attribute directive in Angular 7?

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Structural directives are used to alter the DOM layout by removing and adding DOM elements. These directives are far better in changing the structure of the view. Examples of Structural directives are NgFor and Nglf. Attribute Directives are used as characteristics of elements. For example, a directive such as built-in NgStyle in the template Syntax … Read more

What is Angular framework?

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Angular is a TypeScript-based open-source web framework and a platform. It is used to build web/ mobile and desktop applications. Main features of this framework are: Declarative templates, dependency injection, end to end tooling etc. These features make web development easy in Angular. For an Angular 7 interview question asking “What is Angular framework?” the … Read more

What is Angular 7? How is it different from AngularJS?

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Angular7 is the latest and recent version of Angular. AngularJS was the first version of Angular which is also known as Angular 1.0. Angular7 is the complete rewrite of the Angular1.0. It supports two-way data binding, and some other features like ng update, ng add, Angular Elements, Angular Material + CDK Components, Angular Material Starter … Read more