EN
JavaScript - draw circle on canvas element
4 points
Simple solution:
xxxxxxxxxx1
context.beginPath();2
context.arc(x, y, radius, 0, 2 * Math.PI);3
context.stroke();
Using JavaScript it is possible to draw circle in following way.
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<html>3
<head>4
<style>5
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#my-canvas { border: 1px solid gray; }7
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</style>9
</head>10
<body>11
<canvas id="my-canvas" width="200" height="200"></canvas>12
<script>13
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var canvas = document.querySelector('#my-canvas');15
var context = canvas.getContext('2d');16
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function drawCircle(x, y, radius) {18
context.beginPath();19
context.arc(x, y, radius, 0, 2 * Math.PI);20
context.stroke();21
}22
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drawCircle(100, 100, 80);24
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</script>26
</body>27
</html>