Times have changed so rapidly that every individual around the globe heavily depends on mobile apps and the web for their day-to-day activities. From healthcare, e-commerce, and online banking to getting a ride, everything that we need is right at our fingertips. But have you ever wondered? How are these apps developed and what is the secret behind this reliability? Well, thanks to frameworks like Angular for providing robust features to create apps and user interface (UI).
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What Makes Angular Superior?
How Many Versions Does Angular Has?
Angular was developed in the year 2009. Since then it has been continually evolving. The table below outlines versions of Angular:
|Angular 1 also known as AngularJS||2010|
|Angular 4 and 5||2017|
|Angular 6 and7||2018|
|Angular 8 and 9||2019|
|Angular 10 and 11||2020|
Features of Angular
- Two-way Data Binding: Angular uses this approach to ensure the changes made in the model are automatically reflected in the corresponding UI elements. This feature helps developers with easy synchronization of UI without writing lengthy code to handle updates.
- Jasmine Testing Framework: This feature provides many functionalities to create different types of test cases. Also, these test cases ensure correctness in Angular applications. Jasmine Testing Framework uses Karma to execute tests and specify various configuration settings that determine how tests should execute and report.
Angular uses a Model View Controller (MVC) framework, where the model represents the business logic of the application. Similarly, the view represents the UI presentation of the application, and the controller manages user input as well as acts as a middleman between model and view. This robust implementation of Angular provides better maintainability and scalability. Let’s have a look at the 8 building blocks of Angular architecture.
- Module: It helps in managing the code base in an organized way by encapsulating each module-specific feature within your application. It uses AppModule which is often known as root module. This AppModule provides all the necessary configurations to bootstrap and determine whether components and settings are loaded or not.
- Component: It plays a crucial role in managing the functionality and structure of the UI. Each component class holds an application logic and data where logic includes the user’s interaction and API request to handle the processing of data. Likewise, data includes the local component fetched from external sources. Overall, each component has the responsibility to render a specific part of the UI. Moreover, this component is further implemented as a class, which combines the application logic and data with a corresponding part of the user interface.
- Template Binding: The main purpose of template binding is to manipulate HTML elements. This merges Angular-specific markup with regular HTML to create dynamic and interactive web applications. Angular uses two types of data binding i.e., event binding and property binding.
- Event Binding: This enables developers to respond to user interaction. Whenever an event occurs in the UI, a developer can use this type of binding to trigger the specific action or function.
- Property Binding: This allows dynamic updating of the attributes and properties of HTML elements based on the data in the application. Developers don’t have to hardcode values into the HTML elements. When the changes occur the corresponding HTML elements automatically update the necessary changes and reflect the current state of the application.
- Metadata: It plays a significant role in configuring and determining the behavior of various elements. Its primary purpose is to decorate classes and gather more information in compilers and runtime. Further, it helps the application to comprehend its classes, directives, components, and more.
- Services: It is a fundamental part of building robust Angular applications. Their role in centralizing and sharing the logic, functionality, and data across various components is critical. By doing so, it promotes code reusability and maintainability.
- Dependency Injection (DI): The role of the DI in Angular architecture is pivotal. It largely helps in managing the dependencies of the application within its component. Moreover, it separates the tasks of different parts of the application and makes code more testable, modular, and maintainable.
Though Angular is a leading web application development language, it also has its cons. In this next section we will see the pros and cons of Angular:
|Custom components with rendering logic||Poor accessibility|
|Testability and reusability||Limited SEO options|
|Seamless data handling and event handling||Highly verbose|
|Enhanced modularity and injectability||Complex front-end tools|
|Pre-built tools for server communication and routing||Steep learning curve|
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Companies That Use Angular
Many leading firms such as:
And many more heavily depend on Angular.
Benefits of Angular
- Angular has modern web platform capabilities that provide high performance, easy installation, and offline working options.
- It supports the framework Cordova, Ionic, or NativeScript to allow seamless cross-platform mobile development.
- Developers can create a desktop-installed application with the same development technique and also access native OS API on Linux, MAC, and Windows.
- It comes with SEO optimization features that ensure content is accessible and discoverable to search engine crawlers.
- It offers simplified UI development that minimizes the complexity of designing UI.
- It supports editor and IDE support provides intelligent code completion and instant error feedback.
- Lastly, it offers ARIA-compliant components, developer guides, and built-in accessibility (a11y) test infrastructure for people with disabilities.
Angular offers powerful frameworks with robust features and convenience. Its architecture promotes template binding, components, DJ, and modules to enhance the user’s experience. Despite many advantages, it faces a lot of challenges in accessibility, verbosity, and SEO. As the famous computer science pioneer, Grace Hopper, said, “The most dangerous phrase in the language is, ‘We’ve always done it this way,”. So the long-term relevance of Angular depends on its ability to change and adapt to the growing demands.
First, it offers robust documentation, supports HTML, and boasts its rich libraries. Secondly, it promotes code reusability which accelerates the performance and reduces load time.
Sometimes developers working with the deeper integration of electrons within Angular face difficulties. Importing the electron into the files can cause webpack issues as it processes the required statement during compile time.
Angulars come with standout features like two-way data binding, it has also undergone major improvements in module, compiler, and routing that allow a developer to seamless coding.