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January 27, 2017 09:48
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Chrome wat?!
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| <!DOCTYPE html> | |
| <html> | |
| <head></head> | |
| <body> | |
| <button type="button" onclick="window.parent.postMessage({name: 'foo'}, '*');"> | |
| Press Me | |
| </button> | |
| </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></head> | |
| <body> | |
| <div> | |
| Name = <span id="val"></span> | |
| </div> | |
| <iframe src="iframe.html" style="border: 0;"></iframe> | |
| <script> | |
| function setVal() { | |
| // Firefox (correctly) thinks `event` is `undefined` | |
| // Chrome, Safari, Opera think `event` is an `Object`... WAT?! | |
| document.querySelector('#val').textContent = event.data.name; | |
| } | |
| function onMessage (event) { | |
| if (event.origin !== window.location.origin) { | |
| return; | |
| } | |
| setVal(); | |
| } | |
| window.addEventListener('message', onMessage, false); | |
| </script> | |
| </body> | |
| </html> |
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