Angular 6 Interview Questions

Angular 6 Interview Questions

What is Angular 6?

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.

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Below are the list of Best Angular 6 Interview Questions and Answers

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

Ivy Renderer is the next generation renderer to serve the purpose of enhanced performance. The Ivy renderer decreases the bundle size and the loading time which improves the performance and moreover, it streamlines the usage as well. The Ivy renderer is simple to use and easy to debug. This new pipeline skips angular interpreter and template data structures. These bundles can be further optimized with the help of Code splitting.

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

ng g component component_name --module=module_name

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

ng g module module_name

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.

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

Below are the list of few Pipes available in Angular Js

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