1102175-2.html (1392B)
1 <!DOCTYPE html> 2 <html> 3 <meta charset="utf-8"> 4 <title>CSS-Writing Modes Test: propagation of the writing-mode property from body to root</title> 5 <link rel="author" title="Ting-Yu Lin" href="tlin@mozilla.com"> 6 <link rel="author" title="Mozilla" href="http://www.mozilla.org/"> 7 <link rel=help href="https://drafts.csswg.org/css-writing-modes-3/#principal-flow"> 8 <link rel="match" href="wm-propagation-body-dynamic-change-002-ref.html"> 9 <meta name=assert content="The writing mode of the newly inserted body must be propagated to the root."> 10 11 <script> 12 function runTest() { 13 document.body.offsetHeight; 14 15 var newBody = document.createElement("body"); 16 newBody.id = "new-body"; 17 var oldBody = document.getElementById("old-body"); 18 19 /* Insert a new <body> before the old one, which should become the primary <body>. */ 20 document.documentElement.insertBefore(newBody, oldBody); 21 } 22 </script> 23 24 <style> 25 #new-body { 26 /* This writing-mode should propagate to the root element. */ 27 writing-mode: vertical-rl; 28 margin: 0; 29 } 30 31 #old-body { 32 writing-mode: horizontal-tb; 33 inline-size: 100px; 34 } 35 36 div { 37 background-color: blue; 38 height: 100px; 39 width: 100px; 40 } 41 </style> 42 43 <body id="old-body" onload="runTest();"> 44 <div></div> 45 <p>Test passes if you see a blue square in the upper-right corner of the page</p> 46 </body> 47 </html>