Getting an Facebook user profile data with Javascript

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I need to get a facebook user uid , gender, photo and other profile data with Javascript.

I remember there was a method to get an user object with .id, .gender, .pho

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醉酒成梦

2020-12-09 10:20
The function FB.getSession() used in the accepted answer to this question in 2011 is now (2012) deprecated and removed from the Facebook JS SDK.

You can still discover the user's Facebook ID with the getLoginStatus() method like this:
```
FB.getLoginStatus(function(response) {
  if (response.status === 'connected') {
    alert ("Your UID is " + response.authResponse.userID);
  }
});
```
Note: you still have to init the Facebook API and put the fb-root element in your HTML, like Aleadam explained in the accepted answer.
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甜味超标

2020-12-09 10:27
Update: I added a little more detail to the answer:

First, you need to call FB.init and add your app id:
```
FB.init(
{
    appId  : APP_ID,
    status : true, // check login status
    cookie : true, // enable cookies to allow the server to access the session
    xfbml  : true  // parse XFBML
});
```
Next, check if there is a session open (i.e., the user is logged in)
```
if(FB.getSession() != null) {
```
And query the details by:
```
    FB.api('/me', function(response) 
    {
        alert ("Welcome " + response.name + ": Your UID is " + response.id); 
    });
}
```
You will also need to add <div id="fb-root"></div> to the <body> of your page, and load <script src="http://connect.facebook.net/en_US/all.js"></script>

The user profile picure can be accessed as http:/graph.facebook.com/USERID/picture/

Check the Graph API reference here: http://developers.facebook.com/docs/reference/api/user/

and the FB SDK reference here: http://developers.facebook.com/docs/reference/javascript/
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终归单人心

2020-12-09 10:39

In the authorization parameter of your app, ensure that the Auth Token Parameter is configured as URI Fragment.

The login process using javascript is explained in the facebook documentation there : Getting started with Facebook login.

Follow the three steps, source code is already written.

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