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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>My Iframe</title> | |
| </head> | |
| <body> | |
| <button>iframe</button> | |
| <script type="text/javascript"> | |
| document.querySelector('button').onclick = function () { | |
| parent.postMessage("myevent", "*") | |
| }; | |
| </script> | |
| </body> | |
| </html> |
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| <!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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