delay-load-event.html (797B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>Inline image element blocks load</title> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 <script> 7 var img_loaded = false; 8 </script> 9 <img src="/images/blue.png?pipe=trickle(d2)" onload="img_loaded = true;"> 10 <script> 11 test(function() { 12 assert_false(img_loaded); 13 }, "script execution doesn't wait for the image to load"); 14 15 async_test(function(t) { 16 document.addEventListener("DOMContentLoaded", t.step_func_done(function() { 17 assert_false(img_loaded); 18 })); 19 }, "DOMContentLoaded doesn't wait for images"); 20 21 async_test(function(t) { 22 window.addEventListener("load", t.step_func_done(function() { 23 assert_true(img_loaded); 24 })); 25 }, "Image element delays window's load event"); 26 </script>