What is ng-init?

What is 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.

What is an NG controller?

Definition and Usage. The ng-controller directive adds a controller to your application. In the controller you can write code, and make functions and variables, which will be parts of an object, available inside the current HTML element. In AngularJS this object is called a scope.

Can we have multiple ng-init?

Output of ng-init with Multiple Values This is how we can use ng-init directive in angularjs application with single value or multiple values.

What is scope init?

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 the difference between Ng if and ng show ng hide?

The ng-if directive removes or recreates a portion of the DOM tree based on an expression, Instead of hiding it. The ng-hide directive shows or hides the given HTML element based on the expression provided to the ng-hide attribute . ng-if can only render data whenever the condition is true.

How does ng repeat work?

The ng-repeat directive repeats a set of HTML, a given number of times. The set of HTML will be repeated once per item in a collection. The collection must be an array or an object. Note: Each instance of the repetition is given its own scope, which consist of the current item.

What is the value of Ng?

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-model used for?

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.

How do you use NG hide?

The AngularJS ng-hide directive is used to hide the HTML element if the expression is set to true….See this example:

  1. Hide HTML:
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Can we use ngIf and Ng-show together?

Using it in place of ng-show will prevent the heavy content from being rendered in the first place if the expression is false. However, its strength is also its weakness, because if the user hides the chart and then shows it again, the content is rendered from scratch each time.