Angular 6 Interview Questions

#1 Question

List some new features comes with Angular6

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

#2 Question

Explain Ivy Renderer in Angular?

#3 Question

What is Bazel and Closure Compiler in Angular6?

#4 Question

Explain Service Worker in reference to Angular JS

#5 Question

Write command to generate a component in specific module in Angular cli?

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

ng g component component_name --module=module_name

#6 Question

How to generate a module in Angular?

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

ng g module module_name

#7 Question

Explain Zone in Angular?

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.

#8 Question

How to update or upgrade angular cli version

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

#9 Question

List some Inbuilt Pipes available in Angular

Below are the list of few Pipes available in Angular Js

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