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Result Size: 625 x 571
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");
ctx.fillStyle = "red";
ctx.fillRect(20, 20, 75, 50);
//Turn transparency on
ctx.globalAlpha = 0.2;
ctx.fillStyle = "blue"; 
ctx.fillRect(50, 50, 75, 50); 
ctx.fillStyle = "green"; 
ctx.fillRect(80, 80, 75, 50);
</script>
<p><strong>Note:</strong> The canvas tag is not supported in Internet 
Explorer 8 and earlier versions.</p>
</body>
<!-- Mirrored from www.w3schools.com/tags/tryit.asp?filename=tryhtml5_canvas_globalalpha by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:11:09 GMT -->
</html>
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