jquery - Checking when the content of an iframe has been loaded -

i wanted know possible check when content in iframe loaded.

i have hidden iframe , don't want show until webpage/website inside iframe has loaded.

i tried following, not worked me:

$('iframe').load(function() {     ; }); 

is possible?

this cannot done cross domain, locally.

<iframe src="/amp" id="iframeid"></iframe>  document.getelementbyid("iframeid").contentwindow.onload = function(){     alert('loaded'); };