Issue communication with postMessage from parent to child iFrame

Question

I\'m having an issue communicating from my parent window to the child iFrame. But in the other side, everything works perfectly. Here is how I get the chil iFrame object in

Answer 1

try this

var iFrame = document.getElementById('Frame');
iFrame.contentWindow.postMessage("message", "http://contoso.com");

I had this problem too. I found solution from this website https://www.viget.com/articles/using-javascript-postmessage-to-talk-to-iframes