How do I set default selected 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.
How do I filter with Ng-options?
In AngularJS when you are using ng-options, you can filter out the options by calling a custom function you have in the controller. Let’s say you have following set of employees and when you display all these employees inside HTML select using ng-options, you can see all the employees in a dropdown.
How do you use 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.
- In many cases, ngRepeat can be used on elements instead of ngOptions to achieve a similar result.
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.
How do I filter with Ng-repeat?
The ng-repeat values can be filtered according to the ng-model in AngularJS by using the value of the input field as an expression in a filter. We can set the ng-model directive on an input field to filter ng-repeat values.
What is the difference between ng-repeat and Ng-options?
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 ng-init directive?
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.
Should I use ngselected on the selected options?
If you are using ngModelon the select, you should not use ngSelectedon the options, as ngModelwill set the select value and selected options. Directive Info This directive executes at priority level 100. Usage as attribute: Arguments Param Type Details
What is the difference between ngselected and ngmodeldirectives?
Note:ngSelecteddoes not interact with the selectand ngModeldirectives, it only sets the selectedattribute on the element. If you are using ngModelon the select, you should not use ngSelectedon the options, as ngModelwill set the select value and selected options.
Should I set the value property of select options in AngularJS?
But actually, you need not worry about setting the value property of select options. AngularJS will take care of that. Let me explain in detail.
How to deal with JSON objects in ng-option?
It is always painful for developers to with ng-options. For example: Getting an empty/blank selected value in the select tag. Especially when dealing with JSON objects in ng-options, it becomes more tedious. Here I have done some exercises on that. Objective: Iterate array of JSON objects through ng-option and set selected first element.