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<html>
  <head>
    <title>Canvas</title>
    <script type="text/javascript">
      function draw() 
      {
        var canvas = document.getElementById("canvas");
        if (canvas.getContext) 
        {
            var ctx = canvas.getContext("2d");          
            var red = 0;
            var green = 0;
            var blue = 255;
            ctx.fillStyle = "rgb("+red+","+green+","+blue+")";
​
            for(var i = 0; i < 320; i++)
            {
                for(var j = 0; j < 240; j++)
                {                   
                    ctx.fillRect (i , j , 1, 1);
                }
            }
        }
      }
    </script>   
    <style type="text/css">
      body
      {
        margin: 50px 50px;
      }
      canvas 
      {         
        border: 1px solid black; 
      }   
      #container
      {
        position: relative;     
        width: 640px;
        height: 480px;
        margin: 0 auto;
      }
    </style>    
  </head>
  <body onload="draw();">
    <div id = "container">
        <canvas id="canvas" width="640px" height="480px"></canvas>
    </div>
  </body>
</html>
​
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