Angular 6 Interview Questions

  1. Explain Zone in Angular?
  2. List some Inbuilt Pipes available in Angular
  3. How to update or upgrade angular cli version
  4. How to generate a module in Angular?
  5. List some new features comes with Angular6
  6. Explain Ivy Renderer in Angular?
  7. What is Bazel and Closure Compiler in Angular6?
  8. Explain Service Worker in reference to Angular JS
  9. Write command to generate a component in specific module in Angular cli?
Angular 6 Interview Questions

Angular 6 Interview questions

Angular6 is the latest major release of Angular js. Here we are going to cover interview questions and answers for Angular 6. That helps Angular 6 developers to crack Angular js Interviews.

Download Angular 6 Interview Questions PDF

Zones are a kind of performance setting that empowers us to catch into our anachronistic tasks.

Zones in angular APIs increase the performance by executing our code exterior to the angular zone. It helps in preventing Angular from the governing unwanted alter detection assignments.

Below are the list of few Pipes available in Angular Js

  • DatePipe
  • CurrencyPipe
  • AsyncPipe
  • DecimalPipe
  • TitleCasePipe
  • JsonPipe
  • SlicePipe
  • PercentPipe
  • UpperCasePipe
  • LowerCasePipe

In order to upgrade angular-cli package that was installed globally in your system, you need to run following commands

npm uninstall -g angular-cli
npm cache clean or npm cache verify (if npm > 5)
npm install -g @angular/cli@latest

Instead of upgrading global version of angular-cli you can also upgrade the local version for specific project y running following commands:

rm -rf node_modules
npm uninstall --save-dev angular-cli
npm install --save-dev @angular/cli@latest
npm install

In order to generate a module in Angular, cd to the current project directory and below command.

ng g module module_name

Latest Key features of Angular 6

  • Added support for creating Custom Elements based on Angular Components.
  • Animations: expose element and params within transition matchers.
  • Bazel: change ng_package rule to APF v6
  • singleline, multiline and jsdoc comments are now supported
  • compiler-cli : add resource inlining to ngc
  • support for TypeScript 2.7
  • Require node 8 as runtime engine

You can generate a component in specific module in AngularJs by running below commnad on CLI.

ng g component component_name --module=module_name