What is Ng directive in angular?
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What is Ng directive in angular?
ng-app: The ng-app Directive in AngularJS is used to define the root element of an AngularJS application. This directive automatically initializes the AngularJS application on page load. It can be used to load various modules in AngularJS Application.
What is NG model directive in AngularJS?
ngModel is a directive which binds input, select and textarea, and stores the required user value in a variable and we can use that variable whenever we require that value. It also is used during validations in a form. We can use ngModel with: input. text.
How do ng-options work?
The ng-options directive fills a element with . The ng-options directive uses an array to fill the dropdown list. In many cases it would be easier to use the ng-repeat directive, but you have more flexibility when using the ng-options directive.
What is Ng view directive used for?
ngView is a directive that complements the $route service by including the rendered template of the current route into the main layout ( index. html ) file. Every time the current route changes, the included view changes with it according to the configuration of the $route service.
What is injector in Angular?
Injectors are data structures that store instructions detailing where and how services form. They act as intermediaries within the Angular DI system. Module, directive, and component classes contain metadata specific to injectors. A new injector instance accompanies every one of these classes.
How many types of directives are there in Angular?
The three types of directives in Angular are attribute directives, structural directives, and components.
What is Ng modal in angular?
ng-model is a directive in Angular. JS that represents models and its primary purpose is to bind the “view” to the “model”. You can use the ng-model directive to map the text box fields of “First name” and “Last Name” to your data model.
What is Ng controller in angular?
The ng-controller Directive in AngularJS is used to add controller to the application. It can be used to add methods, functions and variables that can be called on some event like click, etc to perform certain action. Example 1: This example uses ng-controller Directive to display the input elements.
What are ng-options?
The ng-options Directive in AngularJS is used to build and bind HTML element with options to a model property. It is used to specify in a list. It is designed specifically to populate the items of a dropdown list. It is supported by element.
What is the difference between ng repeat and Ng-options?
ng-options is the directive which is designed specifically to populate the items of a dropdown list. One major advantage using ng-options for the dropdown is, it allows us to pass the selected value to be an object. Whereas, using ng-repeat the selected value can only be string.
What is the use of ng-template in Angular 6?
What is ng-template in Angular? ng-template is an Angular element that is used for rendering HTML in a template. However, it is not rendered directly on DOM. If you include an ng-template tag to a template, the tag and the content inside it will be replaced by comment upon render.
What is the priority level of directives?
1 Answer. Priority is a number for which directive gets executed first in case of multiple priorities.
What are the directives in AngularJS?
AngularJS Directives. AngularJS lets you extend HTML with new attributes called Directives. AngularJS has a set of built-in directives which offers functionality to your applications. AngularJS also lets you define your own directives.
What is the use of ng options?
Definition and Usage. The ng-options directive fills a element with . The ng-options directive uses an array to fill the dropdown list. In many cases it would be easier to use the ng-repeat directive, but you have more flexibility when using the ng-options directive.
What does nG-model do in AngularJS?
The ng-model directive binds the value of HTML controls (input, select, textarea) to application data. Read about all AngularJS directives in our AngularJS directive reference.
What is the nG-model directive used for?
The ng-model directive binds the value of HTML controls (input, select, textarea) to application data. The ng-model directive can also: Provide type validation for application data (number, email, required). Provide status for application data (invalid, dirty, touched, error). Provide CSS classes for HTML elements. Bind HTML elements to HTML forms.
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