title: Encoding of site in iframe?
body: <p>I have a script on jquery that load some site in iframe using:</p>
  
  <pre><code>$("#demo_frame").attr('src', 'http://'+url);
  </code></pre>
  
  <p>My page have a charset UTF8, but if loaded site have another charset - in i frame it's have bad encoding.</p>
  
  <p>How can i set right encodyng to site in iframe?</p>
  
  <p><img src="https://i.stack.imgur.com/sT2Z2.png" alt="enter image description here"></p>