content-visibility-098.html (1321B)
1 <!doctype HTML> 2 <html class="reftest-wait"> 3 <meta charset="utf8"> 4 <title>Content Visibility: auto subtree becomes hidden in the viewport</title> 5 <link rel="author" title="Rob Buis" href="mailto:rbuis@igalia.org"> 6 <link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility"> 7 <link rel="match" href="container-ref.html"> 8 <meta name="assert" content="content-visibility:auto subtree becomes hidden (through both c-v and visibility properties) and so stops painting"> 9 <script src="/common/reftest-wait.js"></script> 10 11 <style> 12 #container { 13 width: 150px; 14 height: 150px; 15 background: lightblue; 16 } 17 #child { 18 width: 50px; 19 height: 50px; 20 background: red; 21 } 22 #autocontainer { content-visibility: auto; } 23 24 </style> 25 26 <div id=container> 27 <div id="autocontainer"> 28 Test fails if you see this text or a red box. 29 <div id=child></div> 30 </div> 31 </div> 32 33 <script> 34 35 function runTest() { 36 document.getElementById("autocontainer").classList.remove("auto"); 37 document.getElementById("autocontainer").classList.add("hidden"); 38 document.getElementById("autocontainer").style.visibility = "hidden"; 39 40 requestAnimationFrame(takeScreenshot); 41 } 42 43 window.onload = requestAnimationFrame(() => { 44 requestAnimationFrame(() => { 45 requestAnimationFrame(() => { 46 runTest(); 47 }); 48 }); 49 }); 50 51 </script> 52 </html>