What are options in angular?
AngularJS ng-options Directive 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 AngularStrap?
AngularStrap is a set of native directives that enables seamless integration of Bootstrap 3.0+ into your AngularJS 1.2+ app. With no external dependency except the Bootstrap CSS Styles, AngularStrap is lighter and faster than ever as it does leverage the power of ngAnimate from AngularJS 1.2+!
What is ngOptions?
The ngOptions attribute can be used to dynamically generate a list of elements for the element using the array or object obtained by evaluating the ngOptions comprehension expression.
What is ngInit?
The ngInit directive allows you to evaluate an expression in the current scope. This directive can be abused to add unnecessary amounts of logic into your templates. There are only a few appropriate uses of ngInit : aliasing special properties of ngRepeat , as seen in the demo below.
What is difference between Ng-options and Ng repeat?
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 ngModel?
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.
What is modal in AngularJS?
From an AngularJS perspective, a modal window is nothing more than a Controller than manages a View-Model, interacts with Services, and is rendered by a View. The same it true for every other UI-oriented component in your AngularJS application.
What is ng init in AngularJS?
The ng-init directive is used to initialize an AngularJS Application data. It defines the initial value for an AngularJS application and assigns values to the variables. The ng-init directive defines initial values and variables for an AngularJS application. Syntax:
What is Oninit in Angular?
A callback method that is invoked immediately after the default change detector has checked the directive’s data-bound properties for the first time, and before any of the view or content children have been checked. It is invoked only once when the directive is instantiated.
What is Nginit in Angular?
The ng-init directive is used to initialize an AngularJS Application data. It defines the initial value for an AngularJS application and assigns values to the variables. The ng-init directive defines initial values and variables for an AngularJS application.
How do I set default value in ng-options?
In my opinion the correct way to set a default value is to simply pre-fill your ng-model property with the value selected from your ng-options , angular does the rest. Essentially when you define the $scope property your select will bind to assign it the default value from your data array.
What is ngModel and ngModelChange?
The NgModel class has the update property with an EventEmitter instance bound to it. This means we can’t use (ngModelChange) without ngModel . Whereas the (change) event can be used anywhere, and I’ve demonstrated that above with the [value] property binding instead.
What are the different types of data binding in angular?
Angular provides three categories of data binding according to the direction of data flow: 1 From the source to view 2 From view to source 3 In a two way sequence of view to source to view More
How do I use modals in angularstrap?
AngularStrap ships with a $modal service that you can inject in your controllers to trigger modals in a more efficient way (ie. inside ng-repeat, etc.). Toggleable, contextual menu for displaying lists of links. Use any element to trigger a dropdown menu by appending a bs-dropdown attribute.
What is the role of HTML attributes in angular?
In Angular, the only role of HTML attributes is to initialize element and directive state. When you write a data binding, you’re dealing exclusively with the DOM properties and events of the target object. Example 1: an link