Created
April 20, 2017 10:51
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A sample iframe html for testing....
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>iframe Window</title> | |
| <style> | |
| body { | |
| background-color: #D53C2F; | |
| color: white; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1>Hello there, i'm an iframe</h1> | |
| <p>Send Message: <button id="message_button">Hi parent</button></p> | |
| <p>Got Message:</p> | |
| <div id="results"></div> | |
| <script> | |
| // addEventListener support for IE8 | |
| function bindEvent(element, eventName, eventHandler) { | |
| if (element.addEventListener) { | |
| element.addEventListener(eventName, eventHandler, false); | |
| } else if (element.attachEvent) { | |
| element.attachEvent('on' + eventName, eventHandler); | |
| } | |
| } | |
| // Send a message to the parent | |
| var sendMessage = function (msg) { | |
| // Make sure you are sending a string, and to stringify JSON | |
| window.parent.postMessage(msg, '*'); | |
| }; | |
| var results = document.getElementById('results'), | |
| messageButton = document.getElementById('message_button'); | |
| // Listen to messages from parent window | |
| bindEvent(window, 'message', function (e) { | |
| results.innerHTML = e.data; | |
| }); | |
| // Send random message data on every button click | |
| bindEvent(messageButton, 'click', function (e) { | |
| var random = Math.random(); | |
| sendMessage('' + random); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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