<html>
<head>
<title>Sample</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
<script>
function init(){
var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");
ctx.strokeStyle = "#ff0000";
ctx.lineWidth = 4;
ctx.beginPath();
ctx.moveTo(20, 20);
ctx.lineTo(200, 100);
ctx.lineTo(200, 200);
ctx.closePath();
ctx.stroke();
ctx.fillStyle = "#0000ff";
ctx.beginPath();
ctx.moveTo(220, 20);
ctx.lineTo(400, 100);
ctx.lineTo(400, 200);
ctx.closePath();
ctx.fill();
var canvas2 = document.getElementById("canvas2");
var ctx = canvas2.getContext("2d");
ctx.fillStyle= "#00ff00";
ctx.fillRect(10, 10, 180, 200);
ctx.fill();
ctx.strokeStyle = "#0000ff";
ctx.strokeRect(220, 10, 180, 200);
ctx.stroke();
var canvas3 = document.getElementById("canvas3");
var ctx = canvas3.getContext("2d");
ctx.fillStyle = "#00ff00";
ctx.beginPath();
ctx.arc(100, 100, 80, 0, Math.PI * 3/2);
ctx.fill();
ctx.strokeStyle = "#0000ff";
ctx.beginPath();
ctx.arc(300, 100, 80, 0, Math.PI * 3/2);
ctx.stroke();
}
</script>
</head>
<body onload="init()">
<div>
<canvas id="canvas" width="500" height="250"/>
</div>
<div>
<canvas id="canvas2" width="500" height="250"/>
</div>
<div>
<canvas id="canvas3" width="500" height="250"/>
</div>
</body>
</html>
