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What are the Advantages and Disadvantages of Angular?

Published on Sep 23,2019 959 Views
3 / 11 Blog from Introduction to Angular

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Angular one of the most popular software development instruments and it is a part of the JavaScript ecosystem. It was introduced by Google in the year 2009. According to a survey by StackOverflow this year, 30.7 percent of software engineers apply AngularJS and the new version Angular 2+ to create user interfaces. In this blog on “Advantages and Disadvantages of Angular”, we will walk you through the main features, pros and cons of angular in terms of front-end engineering.

What is Angular?

Advantages and Disadvantages of Angular - Edureka

An Angular framework makes it easy to develop web applications. Combining dependency injection, declarative templates, end-to-end tooling, and integrated best practices, it solves almost all the challenges when creating a web app.

Angular versions history: Angular 2-8

The Angular framework includes versions from 2 to 8. The 8th update was released in May 2019. In this section, we will elaborate on the improvements that each version of Angular made.

Angular 2: The release of Angular 2 brought numerous changes to the initial framework, as it was rewritten in TypeScript. The architectural style switched to component-based.

Angular 4: Angular CLI 1.0.0 was introduced with the fourth version, as a core element of the Angular project. With the release of Angular Universal, Angular applications could be rendered outside the browser.

Angular 5-6: The release of fifth and sixth version concentrated on optimizing Angular CLI and compiler work.

Angular 7: With Angular 7 CLI was enhanced with prompts which provided tips in CLI to explain functions and purposes of elements. Hence, using CLI became more intuitive. Applications received various improvements in the performance and size of the code-base.

Angular 8: the latest version of Angular: In Angular 8, two elements were introduced Ivy renderer, Bazel (build interface). Another major improvement is differential loading that is used to upload browser-specific bundles in order to support legacy browsers and upload content faster.

The Advantages and Disadvantages of Angular

Every technology comes with certain advantages and cons. In this section, we will take a closer look at these advantages and disadvantages of Angular.

Pros of Angular

MVC Architecture implementation

Model-View-Controller architecture, not only attaches value to the framework when creating a client-side app but also sets the foundation for the other features like data binding and scopes.

With MVC architecture, it is possible to isolate the app logic from the UI layer and support separation of concerns. The controller receives all requests for the app and operates with the model to prepare any data needed by the view. The view uses the data prepared by the controller and displays a final presentable response.

Enhanced Design Architecture

Some of the large web applications contain a lot of components. Angular simplifies the way of managing these components even if a new programmer joins the project after the development process has already begun. The architecture is built in such a way that helps the programmer to locate and develop the code easily.

Modules

A module is a mechanism that groups directives, components, pipes and services that are related, in such a way that can be combined with other modules in order to create an application The Angular-based app can be considered as a puzzle where each module is needed to be able to see the full picture. There are a number of ways to add different elements to a module. Angular solves the problem of global function exploitation by limiting the scope of all functions to the module, in which it was defined and used.

Services and Dependency Injection (DI)

A service or component might sometimes need other dependent services to complete a task. A Dependency Injection design pattern is used in order to fulfill these dependencies. It divides the task among different services. The client service will not create the dependent object, rather it will be created and injected by an Angular injector. The Angular injector is responsible for creating service instances and injecting them into classes like components and services.

Custom directives

Custom directives improve HTML functionality and are suitable for dynamic client-side applications. They all start with the prefix ng so that HTML can identify them. Some of these are:

NgModel: provides two-way data binding to an HTML form elements.
NgClass: removes and adds a set of CSS classes.
NgStyle: adds and removes a set of HTML styles.

TypeScript: better tooling, cleaner code, and higher scalability

Angular is written using TypeScript, which is a superset for JavaScript. It fully complies to JavaScript and also helps spot and eliminate common mistakes while coding. While small JavaScript projects do not require such an enhancement, the enterprise-scale applications need developers to make their code cleaner and verify the quality more often.

Cons of Angular

Limited SEO options

A major drawback of using Angular is the limited SEO options and poor accessibility for search engine crawlers.

Angular is verbose and complex

A frequent complaint that you would hear from the Angular developers is the verbosity of the instrument. And this problem hasn’t changed much since AngularJS.

Steep learning curve

If you onboard new developers who are familiar with JavaScript to use new Angular, they would find it difficult as compared to React or Vue onboarding. This is because the array of topics and aspects to be covered is quite large.

CLI documentation is lacking details

Some developers express concerns with the current state of CLI documentation. While the command line is very useful fo Angular developers, you won’t find enough information in their official documentation on GitHub and you have to spend more time exploring threads on GitHub to get answers.

Conclusion

Although the platform has its share of cons, Angular is a full-featured and dynamic framework. And its usability, flexibility, and maintainability makes it unique and provides chances to create excellent and successful web-based applications.

With this, we come to an end of this blog on “Advantages and Disadvantages of Angular”. I hope it added value to your knowledge. If you wish to learn more about Angular framework, then check out our Angular Training & Certification which comes with instructor-led live training and real-life project experience. This training will help you understand Angular in-depth and help you achieve mastery over the subject.

Got a question for us? Please mention it in the comments section of ”Advantages and Disadvantages of Angular” and I will get back to you.

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