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 Ng checked?
Definition and Usage. The ng-checked directive sets the checked attribute of a checkbox or a radiobutton. The checkbox, or radiobutton, will be checked if the expression inside the ng-checked attribute returns true. The ng-checked directive is necessary to be able to shift the value between true and false .
What is Ng option?
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.
How do you use NG value?
The AngularJS ng-value directive is used to set the value attribute of an input element, or a select element. It is mainly used on and elements to set the bound values when these elements are selected. It is supported by and elements.
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 Ng change in angular?
AngularJS ng-change Directive The ng-change event is triggered at every change in the value. It will not wait until all changes are made, or when the input field loses focus. The ng-change event is only triggered if there is a actual change in the input value, and not if the change was made from a JavaScript.
What is Ng include in AngularJS?
AngularJS ng-include Directive The ng-include directive includes HTML from an external file. The included content will be included as childnodes of the specified element. The value of the ng-include attribute can also be an expression, returning a filename.
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 data ng init?
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:
Why ng-init is used?
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.
What is Ng app in AngularJS?
The ng-app directive defines the root element of an AngularJS application and starts an AngularJS Application. The ng-app directive will auto-bootstrap (automatically initialize) the application when a web page is loaded. It is also used to load various AngularJS modules in AngularJS Application.