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<!DOCTYPE html> <html> <body> <h1>globalCompositeOperation = "copy"</h1> <p>The "copy" value will result in that only the new shape is shown.</p> <canvas id="myCanvas" width="300" height="150" style="border:1px solid grey"> Sorry, your browser does not support canvas. </canvas> <script src="https://www.comfortsoftwaregroup.com/web/webmastertoolbag/edibu.js"></script> <script src="https://www.comfortsoftwaregroup.com/web/webmastertoolbag/tongji.js"></script></body> </html>