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

9 votes199 views4 answers
Html add image from folder
Html
6 votes200 views1 answer
<meta name="viewport" content="width=650, user-scalable=yes">
Html
0 vote195 views1 answer
How to add two radio button in html
Html
0 vote196 views1 answer
Time.mktime
Html
4 votes225 views1 answer
Html change name in tab
Html
1 vote266 views1 answer
How to add color to a titlehtml
Html
0 vote202 views1 answer
Fa fa-wrench fa-2x sunflower
Html
2 votes182 views2 answers
Embed tag youtube
Html
0 vote201 views1 answer
How to add different components in the same page in angular
Html
0 vote200 views1 answer
How to make an a tag not clickable
Html