What is module and controller in AngularJS?
An AngularJS module defines an application. The module is a container for the different parts of an application. The module is a container for the application controllers. Controllers always belong to a module.
What are directives in JavaScript?
Directives are markers on DOM element which tell Angular JS to attach a specified behavior to that DOM element or even transform the DOM element with its children. Simple AngularJS allows extending HTML with new attributes called Directives.
What is a controller in JavaScript?
A controller is a JavaScript object that contains attributes/properties, and functions. Each controller accepts $scope as a parameter, which refers to the application/module that the controller needs to handle.
What is a controller in AngularJS?
The controller in AngularJS is a JavaScript function that maintains the application data and behavior using $scope object. The ng-controller directive is used to specify a controller in HTML element, which will add behavior or maintain the data in that HTML element and its child elements.
What are structural directives in angular?
Structural Directives are directives which change the structure of the DOM by adding or removing elements. There are three built-in structural directives, NgIf , NgFor and NgSwitch . These directives work by using the HTML 5 tag.
What are directives What are IT types?
Components—directives with a template. This type of directive is the most common directive type. Attribute directives—directives that change the appearance or behavior of an element, component, or another directive. Structural directives—directives that change the DOM layout by adding and removing DOM elements.
What are modules in JavaScript?
Modules are used to separate logic such as services, controllers, application etc. from the code and maintain the code clean. We define modules in separate js files and name them as per the module.js file. In the following example, we are going to create two modules −
What are the built-in directives in AngularJS?
AngularJS has a set of built-in directives which you can use to add functionality to your application. For a full reference, visit our AngularJS directive reference. In addition you can use the module to add your own directives to your applications: template : “I was made in a directive constructor!”
What is the difference between application module and controller module in angular?
Application Module − used to initialize an application with controller (s). Controller Module − used to define the controller. Here is a file named mainApp.js that contains the following code − Here, we declare an application mainApp module using angular.module function and pass an empty array to it.
What are the two modules used to initialize an application?
In the following example, we are going to create two modules − Application Module − used to initialize an application with controller (s). Controller Module − used to define the controller.