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<!DOCTYPE html>
<html>
<body>
<canvas id ="one" width="100" height="100"></canvas>
<canvas id ="two" width="100" height="100"></canvas>
<script>
function drawCircle(ctx, geom) {
ctx.fillStyle = 'green';
ctx.beginPath();
ctx.rect(0, 0, geom.width, geom.height);
ctx.fill();
}
var ctx1 = document.getElementById('one').getContext('2d');
drawCircle(ctx1, {width: 50, height: 50});
ctx1.translate(50, 0);
drawCircle(ctx1, {width: 50, height: 50});
ctx1.resetTransform();
ctx1.translate(0, 50);
drawCircle(ctx1, {width: 100, height: 50});
var ctx2 = document.getElementById('two').getContext('2d');
for (var i = 0; i < 5; i++) {
drawCircle(ctx2, {width: 50, height: 20});
ctx2.translate(0, 20);
}
ctx2.resetTransform();
ctx2.translate(50, 25);
drawCircle(ctx2, {width: 50, height: 50});
</script>
</body>
</html>
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