**What is Angular?** Angular is a TypeScript-based framework for developing front-end web applications designed by Google employees and heavily contributed to by many developers worldwide. It is a single-page application (SPA) framework, which...
What is Angular? Angular is a TypeScript-based framework for developing front-end web applications designed by Google employees and heavily contributed to by many developers worldwide. It is a single-page application (SPA) framework, which means that Angular can build single-page web applications or SPA applications and is primarily uses for this purpose.
The AngularJS framework was rewritten and called "Angular 2", but it caused much confusion and panic in the developer community. To make things more precise, the Angular team started using separate terms for each framework. Currently, "AngularJS" refers to version 1.X, and "Angular" without "JS" refers to version 2 and above. Since then, all versions of the framework other than 1.X have been called Angular. However, you can mention the version number to be more precise.
In this article, we'll take a closer look at how Angular has evolved to become one of the most popular web development frameworks, and we'll understand its advantages, disadvantages, features, and more. We'll give you some quick tips and suggest how you can start understanding Angular in depth to achieve a masterful understanding.
AngularJS is the first version of the framework developed by Google, which was released in 2010 and shook the developer community. AngularJS offers so many unique features. Of all the features it provided, the most talked about and appreciated was the bi-directional binding between the view and the model.
Which allowed us, developers, to get rid of a lot of unnecessary code to define the bindings and keep the view and model synchronized at all times. AngularJS was worth its weight in gold. AngularJS has become very popular among developers and has widely used. However, the team decided to go a step further and developed a new version, initially called Angular 2, then Angular without the "JS" part.
TypeScript. A final version of the framework, Angular 2, was released in 2016. Later, it renames Angular to avoid conflicts and confusion among developers.
Introduced many chances, and developers had to learn everything from scratch, a complex change but well-received by the community. Angular chose semantic versioning, and from now on, all versions of Angular.
At the end of 2016, Angular 4 release (yes, they skipped Angular 3 to avoid some conflicts and confusion). With some more major releases and performance improvements in each version, we are now (at the time of writing) down to Angular 9.
Angular nine is more potent than ever and offers the latest features. These intermediate versions have seen updates to performance, CLI features, advanced web application features, routing, etc. They have also moved to a better rendering engine in Angular 9.
Angular 10, a significant update to the popular web development framework, has reached the release candidate stage, with six release candidates released as of 17 June 2020. The update to the TypeScript framework, developed by Google, is more about ecosystem improvements than new features.
Angular has come a long way since 2012. There are advantages to using the framework, but also disadvantages, especially if you're a beginner. Let's talk about the good stuff first.
The best thing about Angular is that it is developed and maintained by Google. Since a trusted company backs it, trust is well established in the community. The developers believe in the framework and think that it will maintain it and problems will be solved, of course with community contributions.
Angular is actively maintained and has a great community and ecosystem. You can find a lot of material on this framework, as well as many useful third-party tools. Currently, Angular has about 63,000+ stars on GitHub, which indicates the framework's popularity.
Angular is one of the most popular frameworks.
Bidirectional data binding in Angular will help users exchange data from component to view and part. It will allow users to establish communication in both directions. Can achieve Bidirectional data binding by using a Model directive in Angular, ensuring that the model and view synchronized without any extra effort.
Internationalization ensures that an application designer prepares for use in regions with different languages. Localization is the process of translating your internationalized application into specific languages for specific locations. Angular can handle most things when it comes to multiple languages. Dates, numbers, times, and other elements can quickly adapt according to the area.
An Angular module is a logical unit of code that performs a specific task or takes on a particular application responsibility. A typical Angular application can divide into several modules, each of which has specific responsibilities delegated to it. A module can contain components, pipes, directives, or multiple modules.
Dividing an application into modules makes it easier to manage the application during development and has significant performance benefits. If all the application code loads into the browser at once, it can increase loading times and slow down the web page's initial rendering, but you can pack what you need, called lazy loading.
Only the modules you need are loaded first, while other modules and pieces of code are loaded as required, ensures seamless performance and reduced loading times.
Angular applications have at least one root module, the NgModule class responsible for starting the project. It is conventionally called AppModule and resides in the file app.module.ts.
Dependency Injection (DI) is one of the most critical application design patterns, and Angular has its dependency injection framework. It is commonly used to increase efficiency and modularity in the design of Angular applications closely related to the previous point about modularity in Angular applications.
A dependency is a service or object that a class needs to perform its function. The type does not create its benefits but requests services from external resources (in this case, other modules or categories), allowing one to delegate responsibility to each module.
The advantage of the dependency injection model is that it can split a task into several services. In this class, the dependent objects themselves but are made and injected by the Angular injector. Dependency injection is a technique used to reduce the coupling between different components of an application. Less coupling means better testability and maintainability.
The Angular Router supports Intra-app routing and navigation in Angular, a module available in the @angular/router package. Angular Router is an effective and flexible routing service. It uses a component called router-outlet to load various elements into the view based on the browser URL.
Angular Router has built-in support for lazy loading of components, which means that modules are loaded from the server while the user is navigating through the application. Larger applications can benefit a lot from this feature.
Angular is the first framework to support the Ionic framework, allowing you to create cross-platform mobile apps for Android and iOS using Ionic components and Angular code. Although other frameworks such as ReactJS and VueJS are currently supported, Angular is widely used for mobile app development and the Ionic framework.
There is a massive repository of open source packages for Angular developers. The main packages include NgBootstrap, Angular Google Maps, NgRx, NgTranslate, AngularFire, NgxTextEditor, Angular Material, Ng2 Pdf Viewer, charts, and more! There are many more packages available. Some of these packages are managed by the official Angular team, while the developer community manages others. If you want to create a complex feature or component for your application, there's a good chance that the package already exists, so there's no need to reinvent the wheel.
Now that we've looked at the good things about Angular, there's another side to it. Here we discuss some of the disadvantages of using one of the most popular web development frameworks.
Angular is excellent, but it may not be suitable for complete beginners - even if you have experience with HTML, CSS, and JS, you may find the steep learning curve uncomfortable. It requires a lot of thinking and philosophy.
Angular is a framework in its own right, which means it has its own set of rules that developers must learn and follow, which is both a good and a bad thing, as it can make the learning curve uncomfortable for complete beginners. We advise you to be patient and start slowly. Slow and steady!
Angular is great for building high-performance single-page web applications. However, like all single-page web applications, it has its drawbacks in terms of search engine optimization.
Because single-page applications are present on the client-side, search engines such as Google and Bing cannot fully see its pages' structure and content. This limitation makes it impossible for the website to be displayed correctly in search engine results.
However, some technologies and packages make this possible, but they require extra effort to develop.
Although Angular Universal takes care of most aspects, it still requires a lot of deployment effort. If you want to do everything manually, there is documentation available for that, but you have to be aware of a few "kinks."
Beginners often have a hard time understanding version control. A student learning the latest version of the framework may find that by the time he has finished his first project, a new, larger version has already been released, leading to trust issues. Developers may feel they have to keep building their applications and resolving version conflicts and compatibility issues.
With the emergence of new frameworks such as VueJS and ReactJS, Angular's popularity has declined. A few years ago, developers were mainly debating whether to use Angular or React for their projects. However, there has been a growing interest in a third player called VueJS or Vue.js in the last few years.
Angular 9 supports CSS variables or custom properties. CSS variables or custom properties allow developers to define custom variables for CSS values shared between components and stylesheets.
CSS properties or CSS variables allow CSS property values to runtime. The ability to update custom CSS properties at runtime opens up the possibility to easily create themes for newer Angular applications.
Angular is a framework for front-end development. It relates to the client-side of the application and has little to do with the backend. Angular is best suited for advanced, large projects under the guidance of an experienced developer if you are looking for angular developer you can hire from top angular development companies in India.
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