| <!DOCTYPE html> | |
| <script> | |
| var x = 0; | |
| </script> | |
| <!-- This script's URI is: | |
| var xhr = new XMLHttpRequest(); | |
| xhr.open('GET', 'data:text/plain,aaa', false); | |
| xhr.send(); | |
| x=1; | |
| --> | |
| <script defer src="data:application/javascript,var%20x%20=%200;%20var%20xhr%20=%20new%20XMLHttpRequest();%20xhr.open('GET',%20'data:text/plain,aaa',%20false);%20xhr.send();%20x=1"></script> | |
| <!-- This script's URI is: | |
| parent.postMessage(x, '*'); | |
| --> | |
| <script defer src="data:application/javascript,parent.postMessage(x, '*');"></script> | |