<!DOCTYPE HTML>
< html>
<head></head>
<body>
<canvas id="myCanvas1" width="200" height="100" style="border:1px solid #c3c3c3;">
</canvas>
<script type="text/javascript">
var c = document.getElementById("myCanvas1");
var cxt = c.getContext("2d");
cxt.fillStyle="#FFFF00";
cxt.beginPath();
cxt.arc(70,18,15,0,Math.PI*2,false);
cxt.closePath();
cxt.fill();
</script>
</body>
< /html>
------====================-----------==================------------=======
<!DOCTYPE HTML>
< html>
<head></head>
<body background="#000000">
<DIV background="#000000">
<canvas id="myCanvas2" width="200" height="80" style="border:1px solid #c3c3c3;">
</canvas>
<video width="200" height="40"></video>
</DIV>
<video width="200" height="40"></video>
</body>
<script type="text/javascript">
var c = document.getElementById("myCanvas2");
var cxt = c.getContext("2d");
var grd = cxt.createLinearGradient(0,0,100,50);
grd.addColorStop(0,"#FFFFFF");
grd.addColorStop(1,"#CCCCCC");
cxt.fillStyle=grd;
cxt.fillRect(0,0,100,50);
</script>
< /html>
----------------------==========================---------------------------
<!DOCTYPE HTML>
< html>
<head></head>
<body background="#000000">
<DIV background="#000000">
<canvas id="myCanvas2" width="500" height="333" style="border:1px solid #c3c3c3;">
</canvas>
</DIV>
</body>
<script type="text/javascript">
var c = document.getElementById("myCanvas2");
var cxt = c.getContext("2d");
var img = new Image();
img.src=\'#\'" /> cxt.drawImage(img,0,0);
</script>
< /html>
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