third_party/WebKit/LayoutTests/fast/canvas/canvas-hides-fallback.html

   1 <head>
   2 <script>
   3 if (window.testRunner)
   4     testRunner.dumpAsText();
   5 </script>
   6 </head>
   7 <body>
   8 <p>This text should NOT be visible. It should be overwritten by the result of the test.</p>
   9 <p>There should be no text below this, because the text is inside a canvas element and JavaScript is enabled.</p>
  10 <canvas>This text should NOT be visible if JavaScript is enabled.</canvas>
  11 <script>
  12 var result = "The DOM part of this test FAILED. The canvas element did not have a child.";
  13 if (document.getElementsByTagName("canvas")[0].firstChild)
  14     result = "The DOM part of this test succeeded. The canvas element had at least one child, "
  15         + "indicating that we are hiding text by not rendering it, but we are creating DOM elements as expected."
  16 document.getElementsByTagName("p")[0].innerText = result;
  17 </script>
  18 </body>