Created
March 24, 2015 09:54
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PostMessage tester
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| <html> | |
| <head> | |
| <script> | |
| var count=0; | |
| function sendMessage() { | |
| window.parent.postMessage( | |
| JSON.stringify({"greeting": "hello world"}), // A stringified message to send. | |
| "*" // The intended origin, in this example we use the any origin wildcard. | |
| ); | |
| } | |
| window.onmessage = function(e){ | |
| if(e.origin === window.location.origin){ | |
| return; | |
| } | |
| if(!e.data){ | |
| throw new Error('Message event contains no readable data.'); | |
| } | |
| var elm = document.createElement('li'); | |
| elm.innerHTML = e.data; | |
| var out = document.getElementById('messages'); | |
| out.appendChild(elm); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <p> | |
| child window on different domain <a href="https://gist.github.com/kylewelsby/585b3a5395c6731acc50">GitHub Gist</a> | |
| <button type="button" onclick="sendMessage()" style="float: right;">Send message!</button> | |
| </p> | |
| <ol id="messages"></ol> | |
| </body> | |
| </html> |
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