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ABSTRACT
In the field of software frameworks for creating web applications, Angular is the leader of a new generation combining the implementation of web services and components. Thus, thanks to Angular, the browser loads the entire structure of the application when it first connects to the server, with subsequent transactions only performing effective updates. The second essential point is the creation of components, which together with the modules, not only allow a very high modularity and reusability of the codes, but also represent a powerful extension of the HTML language. These two aspects are illustrated via some code previews of an example of a merchant site.
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Pierre POMPIDOR: Senior lecturer in computer science - University of Montpellier / LIRMM (Montpellier Computing, Robotics and Microelectronics Laboratory)
INTRODUCTION
Angular is a software framework created by Google in 2016 . It enables the development of web applications, which are computer applications displayed in a browser, using programs and data hosted on remote machines (called servers). While a framework leaves the developer free to implement the functionalities he or she wishes, it imposes a precise structuring of the various programs to be created. Angular, for its part, implements two major advances in software engineering: the use of web services, and consequently the creation of so-called single-page applications, and the implementation of components.
The aim of this article is to explain the benefits of web services and components, illustrated by the creation of an embryonic application which, once a user has authenticated, would display the list of products on sale on a merchant site.
It's important to point out that this article is about Angular (now in version 8) and not AngularJS, an early and now obsolete version of Google's framework.
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KEYWORDS
Component | Angular | web services | SPA
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Single-page versus multi-page application
Bibliography
Link to illustration application:
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Websites
Official Angular : https://angular.io/
Official Angular CLI website: https://cli.angular.io/
Angular Material official website: https://material.angular.io/
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