mozilla-release/layout/reftests/css-gradients/linear-keywords-1-ref.html

<html xmlns="http://www.w3.org/1999/xhtml" 
      class="reftest-wait">
<head>
<script>
function doDraw() {
  var ctx = document.getElementById('canvas').getContext('2d');

  var grad = ctx.createLinearGradient(0,0,300,300);
  grad.addColorStop(0, '#0000ff');
  grad.addColorStop(1, '#000000');

  ctx.fillStyle = grad;
  ctx.fillRect(0,0,300,300);

  document.documentElement.removeAttribute('class');
}
</script>
</head>
<body onload="doDraw();">
<canvas id="canvas" width="300" height="300"/>
</body>
</html>