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Result Size: 625 x 565
​x
 
<!DOCTYPE html>
<html>
<body>
​
<canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>
​
<script>
var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
var imgData = ctx.createImageData(100, 100);
​
var i;
for (i = 0; i < imgData.data.length; i += 4) {
  imgData.data[i+0] = 255;
  imgData.data[i+1] = 0;
  imgData.data[i+2] = 0;
  imgData.data[i+3] = 255;
}
​
ctx.putImageData(imgData, 10, 10);
</script>
​
</body>
​
</html>
​
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