, 250)
					.attr("r", 50)
					.attr("fill", "blue");

	var rect = canvas.append("rect")
					.attr("width", 100)
					.attr("height", 50);

	var line = canvas.append("line")
					.attr("x1", 0)
					.attr("y1", 100)
					.attr("x2", 400)
					.attr("y2", 400)
					.attr("stroke", "green")
					.attr("stroke-width", 10);

	console.log("ddd");
	</script>
</body>
</html>