remove-element-and-scroll.html (1250B)
1 <!DOCTYPE html> 2 <head> 3 <title>Images with loading='lazy' load being removed and then scrolled to</title> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 <script src="common.js"></script> 7 </head> 8 9 <body> 10 <img id="in_viewport" src='resources/image.png?in_viewport&pipe=trickle(d1)'> 11 <div style="height:1000vh"></div> 12 <div id="below_viewport_div"></div> 13 <img id="below_viewport" src='resources/image.png?below_viewport' loading="lazy"> 14 15 <script> 16 const in_viewport_element = document.getElementById("in_viewport"); 17 const below_viewport_element = document.getElementById("below_viewport"); 18 const below_viewport_div = document.getElementById("below_viewport_div"); 19 20 async_test(t => { 21 below_viewport_element.onload = t.unreached_func("Removed loading=lazy image " + 22 "should not load when its old position is scrolled to."); 23 below_viewport_element.remove(); 24 25 in_viewport_element.onload = () => { 26 below_viewport_div.scrollIntoView(); 27 t.step_timeout(t.step_func_done(), 2000); 28 }; 29 }, "Test that <img> below viewport is not loaded when removed from the " + 30 "document and then scrolled to"); 31 </script> 32 </body>