facebook API Login and get its return value

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Facebook-API

I have facebook Script I want return value from it

:

<div id="fb-root"></div>
      <script type="text/javascript">
          window.fbAsyncInit = function () {
              FB.init({
                  appId: '274184102625235',
                  status: true,
                  cookie: true,
                  xfbml: true
              });
          };
          (function (d) {
              var js, id = 'facebook-jssdk'; if (d.getElementById(id)) { return; }
              js = d.createElement('script'); js.id = id; js.async = true;
              js.src = "//connect.facebook.net/en_US/all.js";
              d.getElementsByTagName('head')[0].appendChild(js);
          } (document));
      </script>
       <div>
        class="fb-registration" 
        data-fields="[{'name':'name'}, {'name':'email'},]" 
        data-redirect-uri="http://www.weconnectphone.com/"
      </div>

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I want Name and EMail Id from:
:

<div>
        class="fb-registration" 
        data-fields="[{'name':'name'}, {'name':'email'},]" 
        data-redirect-uri="http://www.weconnectphone.com/"
      </div>