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Angular - Q/A

1. What is angular?

  1. An open source framework for building single page applications using web technologies like HTML, CSS and JS.
  2. Angular is written in typescript and follow typescript syntax to write code.
  3. It helps developers to build applications for browsers, mobiles and desktops.

2. How many versions of angular released?

  1. From Angular 1 to Angular 11, In the whole they skipped version number 3.
  2.  Latest angular version is 14.
  3. And they have a 6 months of major release cycle.So we can expect a new version of angular in every 6 months.

3. What are the Difference between Angular 2+ and Angular 1.x?


Angular 2+Angular 1.x
Based onComponentsController and Scope
Mobile firstYesNo
Angular CLIYesNo
Ways to define servicesOnly by defining a classFactory, Service, Provider, Values and constants
RunsClinet-sed and Server-sideClient-side
Ways to initialize appUsing bootstrapModule() functionUsing ng-app and angular.bootstrap function
SupportsPipe
Filters
How to define events and attributes() - For events
[] - For attributes
Don't supports () and [] sytexes
Supported casingcamelCase and PascalCasespinal-case and camelCase

4. How to setup?

  1. Download and install Node.js
  2. Download and install an IDE, I am using VSCode.
  3. Download nad install Angular CLI. I prefer to use npm. npm i -g @angular/cli
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