Navigating with Angular: Understanding ng-view and Routing

How does Angular understand which template view to request containing the 'ng-view' element?

If I directly navigate within my application to

http://localhost/Categories/List/accessories

, a request is still sent to '/' or the index template because it includes the necessary 'ng-view' element for rendering all views.

Switching from the index to /Categories/List/accessories does not trigger another request for the index template.

Below is a snippet of my basic routing configuration, partially taken from the "CookBook" example on GitHub:

angular.module('myApp', ['myApp.ctrl.list'])
    .config(['$routeProvider', '$locationProvider', function ($routeProvider) {
        $routeProvider.when('/', {
            templateUrl: '/Home/Splash',
        });
        $routeProvider.when('/Categories/List/:slug', {
            templateUrl: '/Categories/List',
            controller: 'listCtrl',
        });
        $routeProvider.otherwise({
            redirectTo: '/'
        });
    }]);

Answer №1

After examining your routing setup, it appears that the example URL is lacking a pound sign (#), which means it should be formatted like this:

http://localhost/#/Categories/List/accessories

The section following the # symbol represents the path that AngularJS will attempt to resolve based on your routing configuration.

When you input the above URL into your browser's address bar, the browser automatically searches for index.html on localhost. Most browsers are programmed to look for index.html when only the domain name is provided in the URL.

You may wonder about the portion after the # symbol. This segment of the URL is not sent to the server as per standard conventions, therefore the browser pays no attention to its contents.

In the scenario you described next, AngularJS does not request another copy of index.html because it was initially cached and can be utilized from the cache instead.

Answer №2

Have you set up your locationProvider for HTML5 compatibility?

$locationProvider.html5Mode(true);

Check out this link for more information: Using HTML5 pushstate with AngularJS

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