![]() ![]() There are different methods of adding different elements to a module like for adding a controller (which, by the way, is always defined within a module), you may use the following syntax- moduleName = angular.module(“controllerName”, ) Similarly, you can also add more elements to the module, using their specific syntaxes. In AngularJS, one module defines one application, and it is within the premises of that module that all the different elements (including the controllers, directives, and filters) of the application exist. Once the directive is created, you can invoke it by using its name as an HTML element, attribute, class, or comment. The functions of the above-mentioned directives must have clarified how they extend the behaviour of the application through HTML.Īs well as these inbuilt directives, Angular also allows you to create your own custom directives. Some of the most prominent directives used in AngularJS, excluding the two previously mentioned above are ng-app, which initializes the application, ng-init, which initialises the data, ng-repeat, which repeats the HTML elements just to name a few. ![]() The major function of these directives is to enhance the functionality of the HTML in a most basic way to make it suitable for dynamic client-side applications.Īll the inbuilt directives in AngularJS begins with the prefix ng, so that whenever the HTML encounter an element prefixed as such, it knows that the said element is the part of the application. These directives can also be self-created using AngularJS. DirectivesĪngularJS extends the HTML with its set of inbuilt attributes called directives. Angular does it through the simple use of the two key directives known simply as ng-model and ng-bind. ![]() However, with two-way data binding in AngularJS, you can change both model and view by changing the value in either. Now, a one-way data binding architecture will allow you to change the value of the data in the model to reflect that change in the view, or vice versa. The View, on the other hand, deals with the HTML or the interface part of the application that determines how the application will look to a user when accessed through a browser. Now, this data can be both static and dynamic. The Model part of the AngularJS framework deals with the collection of the data that the application runs on. If you’re familiar with the MVC architecture, skip to the second paragraph, if not then read on. So you don’t have to go through the effort of adding extra code in order to connect these elements for the smooth running of the web application. Furthermore, unlike other frameworks with MVC, AngularJS automatically combines all the elements of the application together. What sets the MVC architecture of AngularJS apart from that of other framework is the very dynamic nature of it, which we will elaborate later on. The Model-View-Controller architecture is the foremost feature of AngularJS, which not only increases the value of the framework for client-side application development but also sets the foundation for the other important features like data binding and scopes. Handled by Google, the open-source framework boasts a handful of unique features that make it a powerful tool for the development of seamlessly dynamic websites. In fact, it is often cited, by AngularJS development services providers, as the best tool for the creation of Single Page Applications or SPAs. AngularJS is one of the most popular and respectable JavaScript frameworks for the development of browser-based web applications.
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