How to get iframe content?
<p>How to get content from an iframe with header <code>content-type: text/plan</code>?</p>

<p>Is it possible to load the content with <code>$.ajax()</code> without reloading the content?</p>

<p>iframe content:</p>

<pre><code>{"result":{"posts":0,"posts_imported":0},"error":{"file":{"msg":"ERR_ERROR_FILE","trans":{"file":"csv"}}}}
</code></pre>
