Why do we use ng-options in AngularJS?

When you use ng-options, the values of option tags written out by ng-options will always be the index of the array item the option tag relates to. This is because AngularJS actually allows you to select entire objects with select controls, and not just primitive types.

How to create array of objects in AngularJS?

Bind the student details with view. ng-controller directive is used to bind the view with Angular controller. On the above ng-controller is the AngularJs directive. It attaches a AngularJS controller to the view. Above is the example to create an single object and accessing the object in AngularJs. Creating array of Objects :

Can you select an entire object in AngularJS?

This is because AngularJS actually allows you to select entire objects with select controls, and not just primitive types. For example: The above will allow you to select an entire object into $scope.selectedItem directly. The point is, with AngularJS, you don’t need to worry about what’s in your option tag.

How does the ngmodel Directive work in AngularJS?

When an item in the menu is selected, the array element or object property represented by the selected option will be bound to the model identified by the ngModel directive. Optionally, a single hard-coded element, with the value set to an empty string, can be nested into the element.

https://www.youtube.com/watch?v=AmFeut4aHqI

How to create a list of ng options?

Ng-options create list of options using array of object “arrs” and selected option will display object because it is bind to names variable with ng-model directive. Ng-options create list of options using array of objects staffMembers.It will show firstName and lastName if ng-show value is true.

How is the select element used in AngularJS?

HTML select element with AngularJS data-binding. The select directive is used together with ngModel to provide data-binding between the scope and the control (including setting default values). It also handles dynamic elements, which can be added using the ngRepeat or ngOptions directives.

How to set up pre select in AngularJS?

OK. If you don’t want to use the correct way ng-options, you can add ng-selected attribute with a condition check logic for the option directive to to make the pre-select work. For the select tag, angular provides the ng-options directive. It gives you the specific framework to set up options and set a default.