BANGALORE, INDIA: As a developer, you must have noticed while developing web apps that it becomes increasingly tedious and error prone to keep the view in sync with the data model. Also, if there are AJAX driven elements then coding the views is a tough task. While most of the processing takes place at the server side, most of the complexity of web development frameworks lies in the views.
Even though there are libraries available to make life easier, it is still a pain to build web apps for the client side. Browsers being smart and powerful enough today to compile and render the views as we intend them to, we can use JavaScript code to deduce rules and formatting while the server only provides the authentication and JSON data. This way, the client does most of the work. AngularJS lets you achieve that.
What is AngularJS?
This HTML compiler makes it easier to control the rendering and styling of data and layout as per the JavaScript code and CSS rules. This way of rendering data into intermediate view forms on client means that the servers are spared from doing that.
AngularJS comes with autobinding and built-in validators and formatters, which take care of the extra JavaScript code that had to be written to handle event listeners, DOM updates, form updates and input validators. Thus, this allows the developer to write lesser code and focus more on what his web app does rather than coding for web browser.
Using AngularJS, you can now present the raw JSON data to user in presentable format.
To start off with AngularJS, you do not need to download, compile or configure anything. AngularJS applications are specified declaratively through custom HTML tags and attributes that convey the intent of application.
These UI templates and widgets in HTML run on the client side and you do not have to wait for the server to make the changes. So, all you need to know is HTML and CSS, and as AngularJS applications follows the MVC pattern, you just need to define the logic of application using AngularJS controllers. You can even extend those to add new behaviors, widgets, etc.
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