Auto iframe resize sem problema de CORS

gistfile1.txt

window.addEventListener("message", function(event) {
    var iframe = document.getElementById(event.data.id)
	var newHeight = event.data.height;
	
	if (iframe) {
		iframe.height = parseInt(newHeight) + "px";
		console.log("Iframe resized");
	} else {
		console.error("Not found element id for #"  + event.data.id);
	}
	
});


// Chamando dentro do iframe
parent.postMessage({ id: "jobboard_iframe", height: 200 }, "*");

// Ids disponiveis
jobboard_iframe
applynow_iframe
login_iframe




<script type="text/javascript">
window.onload = function() {

var $ = jQuery;
var iframe = '<iframe id="jobboard_iframe" name="jobboard_iframe" src="https://secure.laboredge.com/le-orp/account/jobBoardView.do?t=2a139a55" width="100%" height="715" frameborder="0"></iframe>';

$('section').append(iframe);

}
</script>