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Angular (also referred to as Angular 2+) [4] is a TypeScript-based free and open-source single-page web application framework. It is developed by Google and by a community of individuals and corporations. Angular is a complete rewrite from the same team that built AngularJS.
ExtJS is also a client side framework that allows creating MVC applications. It has its own event system, window and layout management, state management (stores) and various UI components (grids, dialog windows, form elements etc.). It has its own class system with either dynamic or static loader.
This insulates client code from object creation by having clients request that a factory object create an object of the desired abstract type and return an abstract pointer to the object. [5] An example is an abstract factory class DocumentCreator that provides interfaces to create a number of products (e.g., createLetter() and createResume()).
An example of two components in UML: Checkout processes a customer's order, which requires the other one to bill the credit card. For large-scale systems developed by large teams, a disciplined culture and process is required to achieve the benefits of CBSE. [4] Third-party components are often utilized in large systems.
Web Components are a set of features that provide a standard component model for the web [1] allowing for encapsulation and interoperability of individual HTML elements. Web Components are a popular approach when building microfrontends. Primary technologies used to create Web Components include: [2] Custom Elements APIs to define new HTML ...
Form factor is a hardware design aspect that defines and prescribes the size, shape, and other physical specifications of components, particularly in electronics. [1] [2] A form factor may represent a broad class of similarly sized components, or it may prescribe a specific standard. It may also define an entire system, as in a computer form ...
The design of an application must take this into account so that objects are not left orphaned. Objects may also be left with active reference counts if the COM "event sink" model is used. Since the object that fires the event needs a reference to the object reacting to the event, the latter's reference count will never reach zero.
An example of interdependent components modeling a reservation system in UML. Component design is often modeled visually. In Unified Modeling Language (UML) 2.0 a component is shown as a rectangle, and an interface is shown as a lollipop to indicate a provided interface and as a socket to indicate consumption of an interface.