Answers for "read iframe contend document jquery"

jquery get iframe content

$("#myiframe").contents().find("#myContent")

<!-- Example : http://simple.procoding.net/2008/03/21/how-to-access-iframe-in-jquery/-->
<!-- Doc : https://api.jquery.com/contents/ -->

jquery edit iframe content

$(document).ready(function() {
    $('#prev').contents().find('body').html('<div> blah </div>');
});