Angular.js First Application

In this example, we'll create a simple Angular.js application that displays a greeting message.

1. Overview

Angular.js allows us to build dynamic web applications using declarative HTML and JavaScript. In our first application, we'll create a basic Angular.js module and controller to display a greeting message.

2. Steps

Step 1: Include Angular.js Library

First, include the Angular.js library in your HTML file. You can either download it and include it locally or use a CDN:

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script>

Step 2: Define Angular.js Module

Next, define an Angular.js module that represents our application:

// Define a module
var app = angular.module('myApp', []);

Step 3: Create a Controller

Create a controller within the module to handle the application logic:

// Define a controller
app.controller('MyController', function($scope) {
    // Define initial data in the model
    $scope.greeting = 'Hello, Angular.js!';
});

Step 4: Create HTML Markup

Finally, create HTML markup to display the greeting message using Angular.js directives:

<div ng-app="myApp" ng-controller="MyController">
    <p>{{ greeting }}</p>
</div>

3. Conclusion

Congratulations! You've created your first Angular.js application. By following these steps, you've learned how to define a module, create a controller, and use directives to bind data to HTML elements, resulting in a dynamic and interactive web application.

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