Angular is an open-source web application framework and based on TypeScript. It is managed by Google Angular Team and a community of corporations and individuals. It is the most prevalent framework considered to build web app. Suitable for both, smaller and bigger applications, Angular has been serving as a perfect framework to lead this field for the invention of scalable results.
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Angular: A Brief Introduction
Angular took the developer’s community by storm with its initial release in 2010. In those days, the libraries like backbone, dojo, and knockout were readily available for the development of large web applications. It was in 2016 that its Google team invented the inheritor to Angular JS, Angular2, or Angular. This had some new features namely, a command-line interface (CLI), semantic versioning that was based on the Major-Minor-Patch scheme, and a complete component-based architecture. Apart from major advantages, the main drawback was that this version was different from the previous one and didn’t support backward compatibility. So, developers had to rewrite the code in their projects if they needed to use Angular rather than AngularJS.
Angular 4, the subsequent version, was released in March, 2017 which offered a decline in code size, rapid compilation, and improved bug fixing alerts. It also had backward compatibility with Angular 2. Later on, its team again released a better version of Angular with an improved compiler, a dependency management update, and build optimizer. In May, 2018, Angular 6 was released which had the main focus on toolchain, rather than on the framework, making it run speedily with Angular in ng add, ng update, Angular Material + CDK Components, Angular Elements, Tree Shakable Providers, CLI Workspaces, and RxJS v6.
On October 18, 2018, Angular 7 was released. It included updates related to Virtual Scrolling, Angular Material & CDK, Application Performance, supporting Content Projection, utilizing web criterion for custom element, and dependency updates about RxJS 6.3, Typescript 3.1, and Node 10. The next version, Angular 8 was released in May, 2019 which featured dynamic imports for sluggish routes, TypeScript 3.4 support, Differential loading for all application code, Angular Ivy as an opt-in preview.
On February 6, 2020, the latest version of Angular was released. Angular 9 is updated to work mainly with TypeScript 3.6 and 3.7. It has got the capacity to move all applications to utilize Ivy compiler and runtime by default. With the advantage of fixing hundreds of bugs, it offers:
- Bundle sizes smaller
- Upgraded type checking
- Faster testing
- Improved debugging
- Enhanced style binding and CSS class
- Upgraded Internalization
- Better build times, allowing AOT on by default
- Improved build errors
AngularJS vs. Angular
Angular.js framework functions by reading the Hypertext Markup Language (HTML) page, which has an added norm HTML attributes rooted into it. Current version of Angularjs is 1.7.9 and that of Angular is 10.0.1. Angular frameworks make it easier to develop web applications. It merges dependency injection, declarative templates, end to end tooling, and integrated best practices to answer the challenges in development.
The main difference between Angular and AngularJS framework is as follows:
|Architecture||Usage of components and directives. These components are the directives with a template.||Follows Model-View-Controller design. The view operates the information accessible in the model to produce the output.|
|Structure||Better structure if compared to AngularJS, as it makes it easier to form and maintain large applications.||Less manageable as compared to Angular.|
|Expression Syntax||Properties enclosed in ( ) and [ ] are utilized to attach data between view and the model.||ng-bind is utilized to attach data from the view to model and vice versa.|
|Dependency Injection||Use of Hierarchical Dependency Injection system.||No use of Dependency Injection.|
What is Angular Framework?
Angular, usually referred to as Angular 2+ or Angular v2, is a TypeScript-based web application framework. It is an open-source that is an absolute rewrite from the same Google Angular Team that developed AngularJS. Angular server-side renders HTML on-demand for each address; nonetheless it is slower than basically serving static rendered content. With the subsequent versions of Angular, it became more efficient than the older versions; particularly core functionality was shifted to diverse modules.
- Dynamic web apps: The developers can make optimum use of this contemporary platform to render experiences with high-quality performance and zero-step installation.
- Develop Native: It is simple to develop native mobile applications with the strategies from Cordova or Ionic or NativeScript.
- Desktop Application: The developers can easily make desktop-installed applications for Mac, Windows, and Linux with the help of native OS APIs.
- Template: Angular framework generates UI views with simple and authoritative template syntax.
- Angular CLI: Angular CLI is known as a command-line tool. It starts forming swiftly, adds components and tests, and then deploys immediately.
- Integrated Development Environment (IDE): Angular aids in availing instant errors, intellectual code completion, and a few other feedbacks in IDEs and editors.
3. Full Development Support
- High-performance animation: By utilizing an intuitive API, developers can make high- performance animation timelines and that too with minimal coding.
- Accessibility: Angular framework serves to produce accessible applications with developer guides and Accessible Rich Internet Applications enabled method.
4. Performance and Speed
- Universal: Angular web framework furnishes the first view of the application on .NET, Node.js, or PHP for near-instant interpretation in CSS and HTML.
- Code allocation: Angular apps load more rapidly with Component Router, which tends to bring instant allocation of code.
The framework adheres to MVC architecture.
- The Controller represents the layer that contains business logic. Here, the user events stimulate the operations that are accumulated inside the controller. Moreover, the user events are just a factor of the controller.
- Views are utilized to signify the arrangement layer which is made accessible to the end-user.
- The Models are used to characterize the data. The data in it can be as easy as just comprising past growth declarations.
Usually, there are many applications that need to resolve some general issues, like presenting data, a unified user interface, and permitting data entry. Angular developers can make universal solutions for specific domains which can be incorporated for reuse in various apps. These solutions can be created as Angular libraries and such libraries can be issued and allotted as npm packages. An Angular library is deemed as an Angular project that varies from an app and it cannot function on its own. A library should be imported and utilized in an Angular application.
Why Angular Framework?
The Angular framework has an inbuilt dependency injection subsystem which is valuable for developers building applications in a simpler way. The following are the reasons stating why an enterprise should choose Angular web framework for its web app development.
- Intensive Documentation:
Angular contains an intensive documentation, so that the developers can discover all essential information. Hence, it would make developers come up with required technical solutions quickly and resolve emerging problems.
- Conducive Ecosystem of Third-party Components:
The fame of Angular has generated many additional components and tools, which can be used in apps. Therefore, you can avail additional productivity and functionality improvements.
- Backed by Google:
Many developers believe a support from Google to be one of the benefits of Angular, creating the platform trustworthy. At ng-conf 2017, Angular developers stated that Google will be supporting Angular for a long-term.
- Component-based Architecture:
Angular made a shift from an MVC to a component-based architecture in its second version. In this architecture, an app is splitted into independent functional and logical components. Such components can effortlessly be decoupled and reintegrated; and as well as can be reused in other portions of an application. Moreover, component independence makes it easier to test any web app and guarantee that each component functions seamlessly.
- Command-line Interface (CLI):
It is perhaps the most notable feature for most Angular developers. It mechanizes the complete development process, creating app configuration, initialization, and development as simple as possible. The Angular CLI sanctions you to form a novel Angular project, include features into it, and run end-to-end tests, with minimal easy commands. It amplifies code quality and also facilitates the development greatly.
Developers can easily integrate UI components with this collection of elements in Material Design that are enhanced for Angular.
- Ahead-of-time (AOT) compiler:
- Angular Universal:
Angular Universal offers a number of benefits to your project, used for server-side rendering. It assists web crawlers to upgrade your web application’s rank in the search engines. It lessens the time to load a page and boosts up the performance on mobile instruments. All these factors would help you augment the number of users on your website.
- Angular Elements:
From Angular 6, developers can simply insert custom elements to a web app developed with JQuery, React, Vue, or any other environment.
- Dependency Injection:
Dependency Injection mentions an object providing the dependency of another object. Such dependencies state how different components are allied and illustrate how alterations in one portion of the code influence other portions. On one side, adopting dependency injection creates code more maintainable as well as readable. It can immensely reduce the time spent on testing and therefore, can reduce the costs spent on web development.
From version 2, Angular has aided developers with a specific tree of dependency injectors that can be altered or replaced without reconfiguring every component. But on the other side, dependency injection may turn out to be time-consuming, and it may become hard to form dependencies for components.
- Ivy Renderer
Frequently Asked Questions
1. What is angular framework used for?
Angular framework renders you the tools as well as design models to develop your project in a sustainable way. This TypeScript based framework has all the features required to build large-scale projects, as the Angular group believes. It is an ideal technology for sites where the content must modify vigorously based on user preferences and behavior.
2. What are the benefits of Angular?
Among the varied benefits of Angular, the peculiar benefit is the fact that Angular would give you a break from MVC structure, as it is a component-based pattern. Apart from this Angular supports Two-way data binding, while allowing us to affix custom directives, animations, and services
3. What are directives in Angular?
Developers could write application-specific custom HTML syntax with the help of directives. Then the new language is coded in Document Object Model (DOM), and Angular compiler presents the directive administration when it gets a new HTML syntax. The three types of directives are component, attribute, and structural.
4. Is Angular a good framework?
Angular provides several benefits to developers, which is the prime reason why various popular companies around the world employ this tool for their projects. YouTube, Crunchbase, Blispay, Udacity, Google Cloud are some of the giants that use this robust framework. A client-side framework supporting multiple platforms supplements the services with a critical purpose and utilizes them simply with dependency injection. Also, the progress of this framework has given some of the huge realistic projects as well.