Html5 mssenger

var loadHandler = function() {
   var mc, portMessageHandler;
   mc = new MessageChannel();
   window.parent.postMessage('documentAHasLoaded','http://foo.example',[mc.port2]);
   
   portMessageHandler = function(portMsgEvent) {
      alert( portMsgEvent.data );
   }
   
   mc.port1.addEventListener('message', portMessageHandler, false);
   mc.port1.start();
}
window.addEventListener('DOMContentLoaded', loadHandler, false);

Source: tutorialspoint.com

Html5 mssenger

var iframe = document.querySelector('iframe');
var button = document.querySelector('button');

var clickHandler = function() {
   iframe.contentWindow.postMessage('The message to send.',
      'https://www.tutorialspoint.com);
}
button.addEventListener('click',clickHandler,false);

Source: tutorialspoint.com

Html5 mssenger

var messageEventHandler = function(event){
   
   // check that the origin is one we want.
   if(event.origin == 'https://www.tutorialspoint.com') {
      alert(event.data);
   }
}
window.addEventListener('message', messageEventHandler,false);

Source: tutorialspoint.com

Similar codes

87 votes183 views6 answers
Href tag in html
Html
0 vote190 views1 answer
Hand cursor not showing in anchor tag when hover html
Html
57 votes192 views5 answers
Favicon.ico html
Html
0 vote220 views1 answer
Html select component
Html
0 vote208 views1 answer
Tailwind CSS Forms
Html
55 votes274 views6 answers
Basic html template
Html
0 vote198 views1 answer
How to make element bold in bootstrap 4
Html
2 votes151 views1 answer
Address tag in html
Html
0 vote177 views1 answer
Href seo
Html
5 votes269 views1 answer
A tag open in new tabn
Html