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<!DOCTYPE html> <html> <body> <canvas id="myCanvas" width="200" height="100" style="border:1px solid #d3d3d3;"> Your browser does not support the canvas element. </canvas> <script> var canvas = document.getElementById("myCanvas"); var ctx = canvas.getContext("2d"); ctx.beginPath(); ctx.arc(95,50,40,0,2*Math.PI); ctx.stroke(); </script> </body> </html>