title: How can I display a form (from Twig render), when I click on btn
body: <p>Right now, I try to use FosUserBundle in my Application...</p>
  
  <p>I want to integrate the login form, in my view when I click on the login button.</p>
  
  <p>How to use twig method like : </p>
  
  <pre><code>{% render url('fos_user_security_login') %}
  </code></pre>
  
  <p>with a jquery click() events?</p>
  
  <p>Exemple:</p>
  
  <p><strong>layout.html.twig</strong> (when I have not clicked on the login button)</p>
  
  <pre><code>&lt;html&gt;
    &lt;header&gt;...&lt;/header&gt;     
    &lt;body&gt;
      &lt;section&gt;...&lt;/section&gt;
      &lt;section&gt;...&lt;/section&gt;
      &lt;section&gt;...&lt;/section&gt;
    &lt;/body&gt;
    &lt;footer&gt;...&lt;/footer&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p><strong>layout.html.twig</strong> (when I have clicked on the login button)</p>
  
  <pre><code>&lt;html&gt;
    &lt;header&gt;...&lt;/header&gt;     
    &lt;body&gt;
      &lt;section&gt;...&lt;/section&gt;
      &lt;section&gt;...&lt;/section&gt;
      &lt;section&gt;...&lt;/section&gt;
    &lt;/body&gt;
    &lt;footer&gt;...&lt;/footer&gt;
  &lt;!--{% render url('fos_user_security_login') %}--&gt;
    &lt;div id="login"&gt;  
      &lt;form&gt;
          &lt;input&gt;&lt;/input&gt;
          &lt;input&gt;&lt;/input&gt;
          &lt;input&gt;&lt;/input&gt;
     &lt;/form&gt;
    &lt;/div&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>I want Mix </p>
  
  <pre><code>   var = {% render url('fos_user_security_login') %}
  </code></pre>
  
  <p>with </p>
  
  <pre><code>  $( "#login" ).append( var )... 
  </code></pre>
  
  <p>something like this...</p>
  
  <p>Thanks U!</p>