1201272-1.html - mozsearch

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<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8" />

<script>

function draw() {

var ctx = document.getElementById('c').getContext('2d');

ctx.beginPath();

ctx.arc(75, 75, 74, 0, 2 * Math.PI);

ctx.closePath();

ctx.fill();

ctx.globalCompositeOperation = 'destination-out';

ctx.shadowColor = 'rgba(0, 0, 0, 0.8)';

ctx.shadowBlur = 3;

ctx.beginPath();

ctx.arc(75, 75, 40, 0, 2 * Math.PI);

ctx.closePath();

ctx.fill();

ctx.shadowBlur = 0;

ctx.globalCompositeOperation = 'source-over';

ctx.lineWidth = 10;

ctx.strokeStyle = 'green';

ctx.beginPath();

ctx.arc(75, 75, 40, 0, 2 * Math.PI);

ctx.closePath();

ctx.stroke();

</script>

</head>

<body onload='draw()' style='background: white;'>

<canvas id='c' width='200' height='200'></canvas>

</body>

</html>