Skip to main content

What are Directives in AngularJs?

In Angularjs, The HTML attributes and binding controls are called directives.

All HTML attributes attached with prefix "ng-". The directives are


Basic Directives

  1. ng-app : this is used for initializes to application
  2. ng-init this is used for initialize to application data
  3. ng-model : this is used for binds HTML controls to application data
  4. ng-Controller : this is used for Attached a controller class to view.
Others then basic Directives
  1. ng-repeat : this is used for bind to repeated an HTML elements
  2. ng-if this is used for bind an HTML elements with condition
  3. ng-grid this is used for bind data collection to an HTML elements
  4. ng-show : this is used for Show the HTML elements
  5. ng-hide : this is used for Hide the HTML elements
  6. ng-class : this is used for CSS binding class
  7. ng-src : this is used for pass the URL image etc.
  8. ng-switch
  9. ng-bind etc.
Event Listener Directives
  1. ng-click : This is a click event to bind on HTML elements
  2. ng-dbl-click
  3. ng-mousedown
  4. ng-mouseup
  5. ng-mouseenter
  6. ng-mouseleave
  7. ng-mousemove
  8. ng-mouseover
  9. ng-keydown
  10. ng-keyup
  11. ng-keypress
  12. ng-change
Types of Directive
  1. Element directives
  2. Attribute directives
  3. CSS class directives
  4. Comment directives
By Anil Singh | Rating of this article (*****)

Popular posts from this blog

List of Countries, Nationalities and their Code In Excel File

Download JSON file for this List - Click on JSON file    Countries List, Nationalities and Code Excel ID Country Country Code Nationality Person 1 UNITED KINGDOM GB British a Briton 2 ARGENTINA AR Argentinian an Argentinian 3 AUSTRALIA AU Australian an Australian 4 BAHAMAS BS Bahamian a Bahamian 5 BELGIUM BE Belgian a Belgian 6 BRAZIL BR Brazilian a Brazilian 7 CANADA CA Canadian a Canadian 8 CHINA CN Chinese a Chinese 9 COLOMBIA CO Colombian a Colombian 10 CUBA CU Cuban a Cuban 11 DOMINICAN REPUBLIC DO Dominican a Dominican 12 ECUADOR EC Ecuadorean an Ecuadorean 13 EL SALVA...

nullinjectorerror no provider for httpclient angular 17

In Angular 17 where the standalone true option is set by default, the app.config.ts file is generated in src/app/ and provideHttpClient(). We can be added to the list of providers in app.config.ts Step 1:   To provide HttpClient in a standalone app we could do this in the app.config.ts file, app.config.ts: import { ApplicationConfig } from '@angular/core'; import { provideRouter } from '@angular/router'; import { routes } from './app.routes'; import { provideClientHydration } from '@angular/platform-browser'; //This (provideHttpClient) will help us to resolve the issue  import {provideHttpClient} from '@angular/common/http'; export const appConfig: ApplicationConfig = {   providers: [ provideRouter(routes),  provideClientHydration(), provideHttpClient ()      ] }; The appConfig const is used in the main.ts file, see the code, main.ts : import { bootstrapApplication } from '@angular/platform-browser'; import { appConfig } from ...

React Lifecycle Components | Mounting, Updating, Unmounting

In React, each component has a life-cycle which manipulate during its three main phases. The following three phases are: 1.       Mounting 2.       Updating 3.       Unmounting React does so by “ Mounting ” (adding nodes to the DOM), “ Unmounting ” (removing them from the DOM), and “ Updating ” (making changes to nodes already in the DOM). Mounting - Lifecycle Phase 1 Mounting is used for adding nodes (elements) to the DOM. The React has four built-in methods that gets called, in this order, when mounting a component - 1.       constructor() 2.       getDerivedStateFromProps() 3.       render() 4.       componentDidMount() Note – 1)       The render() method is required and It always be called and the others methods are optional (you will call...

Angular 8, 7, 6, 5, 4, 2 - Open and Close Modal Popup Using Typescript and Bootstrap

How to Create a Modal Popup for Angular? Two ways to CREAT Modal Popup Window - 1.       Modal Popup using Typescript and Bootstrap 2.       Modal Popup using Angular Material Dialogue Open Modal Popup Using Typescript and Bootstrap – Download and use the Bootstrap CDN to deliver Bootstrap's compiled CSS and JS to your project. Steps 1 – Add Bootstrap CSS and Js files in the AppComponent.HTML file. < link rel = "stylesheet" href = "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css"   crossorigin = "anonymous" > < script src = "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"   crossorigin = "anonymous" ></ script > You can also Install Bootstrap from NPM – npm install bootstrap – save Steps 2 – Add Style CSS for Login and Popup validations and it looks like. .ng-valid[ required ], .ng-valid.required   {  ...

39 Best Object Oriented JavaScript Interview Questions and Answers

Most Popular 37 Key Questions for JavaScript Interviews. What is Object in JavaScript? What is the Prototype object in JavaScript and how it is used? What is "this"? What is its value? Explain why "self" is needed instead of "this". What is a Closure and why are they so useful to us? Explain how to write class methods vs. instance methods. Can you explain the difference between == and ===? Can you explain the difference between call and apply? Explain why Asynchronous code is important in JavaScript? Can you please tell me a story about JavaScript performance problems? Tell me your JavaScript Naming Convention? How do you define a class and its constructor? What is Hoisted in JavaScript? What is function overloadin...