| <!DOCTYPE html> |
| <head> |
| <title>Images with loading='lazy' load being moved to another document |
| and then scrolled to</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="common.js"></script> |
| </head> |
| |
| <body> |
| <div id="tall_div" style="height:1000vh"></div> |
| <div id="below_viewport_div"></div> |
| <img id="below_viewport" src='resources/image.png?below_viewport' loading="lazy"> |
| |
| <script> |
| const tall_div = document.getElementById("tall_div"); |
| const below_viewport_element = document.getElementById("below_viewport"); |
| const below_viewport_div = document.getElementById("below_viewport_div"); |
| |
| async_test(function(t) { |
| below_viewport_element.onload = |
| t.unreached_func("The below viewport image should not load"); |
| t.step_timeout(t.step_func_done(), 1000); |
| const iframe = document.createElement('iframe'); |
| iframe.setAttribute("style", "display:none"); |
| iframe.srcdoc = "<body></body>"; |
| iframe.onload = () => { |
| const adopted_img = iframe.contentDocument.adoptNode(below_viewport_element); |
| iframe.contentDocument.body.appendChild(adopted_img); |
| below_viewport_div.scrollIntoView(); |
| }; |
| document.body.insertBefore(iframe, tall_div); |
| }, "Test that <img> below viewport is not loaded when moved to another " + |
| "document and then scrolled to"); |
| </script> |
| </body> |
