AngularJS Routing: A Complete Guide

AngularJS routing is a powerful feature that allows you to create single-page applications (SPAs) by dynamically changing the content of your web page based on the URL. It provides a way to navigate between different views or pages without having to reload the entire page.

In this guide, we will cover the basics of AngularJS routing and how to use it effectively in your applications.

1. Setting up AngularJS routing:
– First, you need to include the AngularJS library in your HTML file.
– Next, you need to define a main module for your application using the `angular.module` function.
– Then, you can configure the routing by calling the `config` method on your module and using the `$routeProvider` service.

2. Defining routes:
– Routes are defined using the `$routeProvider` service’s `when` method.
– Each route is associated with a URL pattern and a template or a template URL.
– You can also specify a controller and a controller alias for each route.

3. Navigating between routes:
– AngularJS provides the `$location` service to interact with the browser’s URL.
– You can use the `ng-href` directive or the `$location.path` method to navigate to a specific route.

4. Accessing route parameters:
– You can define route parameters in your URL pattern by prefixing them with a colon.
– AngularJS will automatically extract these parameters and make them available in the `$routeParams` service.

5. Nested routes:
– AngularJS allows you to define nested routes by using the `ng-view` directive.
– You can nest multiple views within each other to create complex page structures.

6. Route resolve:
– The `resolve` property of a route allows you to specify dependencies that need to be resolved before the route is activated.
– This is useful for fetching data from a server or performing other asynchronous operations.

7. Redirecting routes:
– You can use the `$routeProvider` service’s `otherwise` method to define a default route that will be used when no other routes match.

8. HTML5 mode:
– By default, AngularJS uses hash-based URLs for routing.
– You can enable HTML5 mode to use clean URLs without the hash symbol.

AngularJS routing is a powerful tool for creating dynamic and interactive web applications. By using routing, you can create a seamless user experience by loading different views based on the URL, without having to reload the entire page.

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