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| <html> | |
| <head> | |
| <title>Same-Origin Iframe</title> | |
| </head> | |
| <body style="padding: 10px; background: #fff;"> | |
| <h3>Same-Origin Iframe Content</h3> | |
| <button id="iframe-btn">Iframe Button</button> | |
| <input type="text" id="iframe-input" placeholder="Iframe input" /> | |
| <script> | |
| // When button is clicked, increment counter in parent page using addEventListener | |
| document.getElementById('iframe-btn').addEventListener('click', function() { | |
| if (window.parent && window.parent !== window) { | |
| // Call parent's incrementCounter function | |
| window.parent.incrementCounter('Same-Origin Iframe'); | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> | |