You also learned to retrieve user information such as display name, user name and profile image using Facebook Graph API. In this article you learned how to authenticate a user using the Facebook SDK. Summaryįacebook SDK for JavaScript allows you to integrate many Facebook features in your website. The callback function simply reloads the web page once the user logs out. The Logout() function simply calls the logout() method of the Facebook SDK. Then add the following JavaScript code inside a block: window.fbAsyncInit = function () ) This element is needed by the Facebook SDK for JavaScript to work and must not be hidden. To do so, add the following markup in the web page just created:
The Facebook SDK for JavaScript is loaded by making an asynchronous call from your web page.
This page will use the Facebook integration features mentioned above. Nce you create a Facebook app, create a new website in any development tool of your choice (Visual Studio, for example) and add an HTML page to it.
The App ID obtained is used during initializtion of the Facebook SDK for JavaScript. You can grab this App ID from the dashboard of the newly created (or existing) app. All you need to work through the remainder of this article is an App ID – a numeric identifier for a Facebook app to be integrated into your website. We won’t go into too much detail of the app creation process. The following figure shows the initial dialog for creating an app. You need to visit and create an app using the “Create a New App” option. Creating a Facebook app is a straightforward process. The end users subscribe to this app and wall posts (if any) are made on behalf of this application. The first step involved in using the Facebook SDK for JavaScript is to create a Facebook App. To that end this article shows you how to implement Facebook authentication, how to retrieve a user’s details, such as user name and profile picture, and also illustrates how to post on the user’s wall. The Facebook SDK for JavaScript provides functionality that can be consumed from the client side script to leverage such an integration. Features such as Facebook authentication, displaying Like or comments widgets, posting something on a user’s wall are parts of this integration. Now-a-days many websites provide Facebook integration to enhance the user experience.
0 kommentar(er)
