Answers for "how to check iframe content loaded 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 check if iframe is loaded

$('#myIframe').on('load', function(){
    //your code (will be called once iframe is done loading)
});