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

15 votes118 views6 answers
Bootsrap nav
Html
50 votes101 views6 answers
How to change font size in html
Html
1 vote125 views1 answer
Open markdown link in new tab
Html
0 vote143 views1 answer
How to summon an entity with a tag
Html
0 vote152 views1 answer
High load linux
Html
2 votes134 views1 answer
How to add css file in wordpress
Html
0 vote118 views1 answer
Open app instagram with url html tag on android
Html
24 votes122 views5 answers
Get data tag
Html
23 votes122 views6 answers
Body parser
Html
0 vote118 views1 answer
<model-view> in html tag
Html