What are Directives in Angular Js? Explain important directives.

Question :

What are Directives in Angular Js? Explain important directives.

AngularJS directives are used to extend HTML. Directives are markers on HTML DOM element that tell AngularJS to attach a specified behavior to that HTML element.

Directives in AngularJS are special attributes starting with ng- prefix where ng stands for Angular. AngularJS includes various built-in directives, you may also create your own directive in AngularJS. Some built-in directives are listed here.

ng-app 

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.

ng-init 

ng-init directive initializes an AngularJS Application data. It is used to declare and assign values to the variables for an AngularJS application. 

ng-repeat

The ng-repeat directive repeats HTML elements for each item in a collection. Or simply say that it is used to loop through items in collection element and it will act as for loop.

ng-model 

The ng-model directive is used for two-way data binding in AngularJS. It is used to get value of input controls like textbox, label, etc and use these values in web pages.

ng-bind 

The ng-bind directive binds the model property declared via ng-model directive or the result of an expression to the HTML element. It also updates an element if the value of an expression changes. 



CCC Online Test Python Programming Tutorials Best Computer Training Institute in Prayagraj (Allahabad) Online Exam Quiz O Level NIELIT Study material and Quiz Bank SSC Railway TET UPTET Question Bank career counselling in allahabad Best Website and Software Company in Allahabad Website development Company in Allahabad