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📜  angularjs cdn - Javascript (1)

📅  最后修改于: 2023-12-03 15:13:24.111000             🧑  作者: Mango

AngularJS CDN

AngularJS CDN (Content Delivery Network) is a way to quickly and easily access the AngularJS framework without having to download it manually. CDN servers host AngularJS files and make them available for use in web applications.

Advantages of Using AngularJS CDN
  • Faster loading times: Since the files are hosted on a CDN server, they can be downloaded from a location closest to the user, resulting in faster loading times.
  • Simplified coding: Using a CDN means you don't have to download and host the AngularJS files yourself, allowing you to concentrate on coding and development.
  • Always up-to-date: CDN servers automatically update their files to the latest version, ensuring that you always have the latest AngularJS features and bug fixes without having to manually update your files.
How to Use AngularJS CDN

To use AngularJS CDN in your web application, follow these steps:

Step 1: Add AngularJS as a Script Tag

First, you need to add the AngularJS script tag to your HTML file. You can do this by adding the following code to the head of your HTML file:

<head>
  ...
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.0/angular.min.js"></script>
  ...
</head>

This will load the AngularJS script from Google's CDN server.

Step 2: Add AngularJS Module to Your Application

Once you have added the AngularJS script tag, you need to add it as a dependency in your application module. This can be done using the following code:

var app = angular.module('myApp', ['ng']);

This code adds the 'ng' module, which is the core AngularJS module, as a dependency to your 'myApp' module.

Step 3: Start Using AngularJS

Once you have added the AngularJS module to your application, you can start using it to build your web application. Here are a few examples of how you can use AngularJS:

Example 1: Adding Two Numbers

<div ng-app="myApp" ng-controller="myCtrl">
  <input type="number" ng-model="num1">
  <input type="number" ng-model="num2">
  <p>Total: {{ num1 + num2 }}</p>
</div>

<script>
var app = angular.module('myApp', ['ng']);
app.controller('myCtrl', function($scope) {});
</script>

This code creates a simple form that adds two numbers together using AngularJS.

Example 2: Displaying Data from an API

<div ng-app="myApp" ng-controller="myCtrl">
  <ul>
    <li ng-repeat="user in users">{{ user.name }}</li>
  </ul>
</div>

<script>
var app = angular.module('myApp', ['ng']);
app.controller('myCtrl', function($scope, $http) {
  $http.get("https://jsonplaceholder.typicode.com/users")
  .then(function(response) {
    $scope.users = response.data;
  });
});
</script>

This code retrieves data from an API and displays it in a list using AngularJS.

Conclusion

AngularJS CDN is a powerful tool that simplifies the process of using AngularJS in web applications. By using a CDN, you can save time and simplify your coding, while also enjoying the benefits of faster loading times and always up-to-date files.