text: <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(120,20,300,20);
    grad.addColorStop(0, '#0000ff');
    grad.addColorStop(1, '#000000');
  
    ctx.fillStyle = grad;
    ctx.fillRect(0,0,300,300);
  
    ctx = document.getElementById('canvas2').getContext('2d');
  
    grad = ctx.createLinearGradient(30,300,30,0);
    grad.addColorStop(0, '#00ff00');
    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" style="position: absolute; top: 30px; left: 30px;"></canvas>
  <br/><br/>
  <canvas id="canvas2" width="300" height="300" style="position: absolute; top: 360px; left: 30px;"></canvas>
  </body>
  </html>
  
  