contain-layout-019.html (1050B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>CSS Containment Test: Layout containment inside a fit-content element</title> 4 <link rel="help" href="https://crbug.com/1268449"> 5 <link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout"> 6 <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> 7 <meta name=assert 8 content="Layout containment inside a fit-content element should update size when the content is changed"> 9 <style> 10 #contain-parent { 11 width: fit-content; 12 } 13 14 #contain-layout { 15 contain: layout; 16 background: green; 17 } 18 19 #content { 20 width: 50px; 21 height: 100px; 22 } 23 </style> 24 <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> 25 <div id="contain-parent"> 26 <div id="contain-layout"> 27 <div id="content"></div> 28 </div> 29 </div> 30 31 <script> 32 window.requestAnimationFrame(() => { 33 document.body.offsetTop; 34 document.getElementById('content').style.width = '100px'; 35 document.body.offsetTop; 36 }); 37 </script>