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

0 vote204 views1 answer
Measures have been taken to increase their number.
Html
1 vote207 views1 answer
Ngxcountup suffix
Html
0 vote199 views1 answer
What is uniswap
Html
2 votes215 views2 answers
How to create a search bar like google in html
Html
15 votes230 views5 answers
How to make a button download a file in html
Html
61 votes277 views3 answers
How to use js in html
Html
0 vote229 views3 answers
Twig date
Html
0 vote168 views1 answer
How to embed applet in html
Html
0 vote186 views1 answer
Email verification template html
Html
0 vote210 views1 answer
Html quote block
Html