ilearnjavascript/plainjs - window.postmessage and iframes - 1.js Secret

## plainjs - window.postmessage and iframes - 1.js
function receiveMessage(event) {
    if (event.origin === "http://iframe.com"
        && event.data === "message we expect") {
        // execute code
    }
}
// event listener for message event
window.addEventListener("message", receiveMessage, false);
	function receiveMessage(event) {
	if (event.origin === "http://iframe.com"
	&& event.data === "message we expect") {
	// execute code
	}
	}
	// event listener for message event
	window.addEventListener("message", receiveMessage, false);