Versions of Angular
In September 2016, angular 2 was released. It is written in Typescript. The major drawback of angularJS is not capable of supporting mobile apps, whereas Angular 2 is mobile-oriented.
It was a failure because of some versioning issues with the modules internally.
It was released in March 2017. The various enhancement provided in angular4 are ng-Template,Inbuilt Animation Package, Titlecase and Form Validator attributes, etc.
Angular 5 was released in November 2017. It emphasized the performance of the framework. It was smaller data size and faster as compared to the previous version of angular that is angular4. The various features included in angular5 are Multiple export aliases, Date, currency, HTTPClient API, Pipes for Number, and Lambda Support
It was released in May 2008. The various features came with Updation in an angular CLI command-line interface, and the release of angular 6, Updation in a Component development kit, and Angular Material.
It was released in October 2018.
Various Prerequisites to learn angular 7
- CSS with bootstrap
Features Of Angular 7:
1. CLI Prompts
It helps the users to make a decision & package also import using CLI command. And the CLI using about the type of styles and change the value of the checkbox “Y/N” and & changes directives, the user wants to use.
2. Application Performance
Reflect metadata was used in production but it is required at some time of development. Therefore, the polyfill.ts file is removed by default in angular 7.
3. Virtual Scrolling
Google accelerates Virtual Scrolling. It is the Angular 7 framework speed for a huge scrollable list. if we want to define the virtual scrolling Component Dev Kit ( CDK ), then it may unload the DOM elements or load and that stands on the observable condition of the list.
4. Drag and Drop
It comes with automatic rendering and Easy to use.
If the bundle data size is more than 2MB, a warning message is provided for above 5MB data and an error will be given.
What is Angular 7 Architecture?
Angular 7 is a framework and platform which is used to create client applications in TypeScript and HTML. Angular 7 is written in TypeScript language Angular 7 implements optional functionality and core as a set of TypeScript libraries that you import in your app.
Architecture Of Angular:
Various units are combined together to build an angular web application. Angular 7 is a tutorial that completes without its architecture and components are following:
The angular module is a place to group the various units related to our application such as services, directives, and components, etc.
It is a typescript class file in which you can create your properties, methods as per requirement and will be bound with the HTML web page to display the content to the end-user display.
It is a user interface of the angular application part. A template is the HTML web page that consists of the content that is being displayed at the end-user template view.
It is data about the data. Decorators are the metadata in angular.
5. Data Binding
It is the synchronization between DOM and data. There are two kinds of Data Binding in Angular 7 are transfer data using Property Binding and Event Binding
Directives are used for expanding the functionality of the HTML element. Directives in Angular are Attribute Directive, Structural Directive, and the Component Directive.
Services used to reuse the code & API call. This service creates code that is common for one or more components.
8. Dependency Injection
It is an object which receives other objects that depend on angular design patterns for enhancing efficiency and modularity.
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Benefits of Angular 7 In Web Development:
Multiple benefits come with angular 7 that invokes users to use it as a framework for their web developments.
- Single Page Applications
- Code Consistency & Robust Ecosystem
- Full Stack Development
- Optimized Server Communication
- Ultimate Performance High Speed
The unique features of angular web development are the major reason for its popularity. There are two major reasons one looks for while choosing a technology, One is the Job Opportunity and the second is the PayScale.
Multiple Role of Angular JS Developer:
- Web developer
- Web app developer
- Associate technology analyst
- UI developer
- UX developer
- Front-end developer
Companies Using Angular 7
Companies look forward to a mean stack development. Being a part of mean stack web technology the various companies that work on angular are:
- Belatrix Software
- Cyber Infrastructure Inc.