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Sending messages from child iframe to parent webpage
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>My Iframe</title> | |
| </head> | |
| <body> | |
| <button>Botão</button> | |
| <script type="text/javascript"> | |
| document.querySelector('button').onclick = function () { | |
| // parent.postMessage("message to be sent", "http://the-website-that-will-receive-the-msg.com") | |
| parent.postMessage("myevent", "*") | |
| }; | |
| </script> | |
| </body> | |
| </html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Index</title> | |
| </head> | |
| <body> | |
| <iframe src="iframe.html" width="300" height="300"></iframe> | |
| <script type="text/javascript"> | |
| var eventMethod = window.addEventListener | |
| ? "addEventListener" | |
| : "attachEvent"; | |
| var eventer = window[eventMethod]; | |
| var messageEvent = eventMethod === "attachEvent" | |
| ? "onmessage" | |
| : "message"; | |
| eventer(messageEvent, function (e) { | |
| // if (e.origin !== 'http://the-trusted-iframe-origin.com') return; | |
| if (e.data === "myevent" || e.message === "myevent") | |
| alert('Message from iframe just came!'); | |
| console.log(e); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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