second.html

<html>
	<head>
		<script type="text/javascript">
		 function drawsquare() {
		 	
		 	var canvas = document.getElementById("canvas");
		 	var ctx = canvas.getContext("2d");
		 	//grey background
		 	ctx.fillStyle = "rgb(200,200,200)";
		 	ctx.fillRect (0, 0, 600, 450);
		 	//draw  and label horizontal lines
		 	ctx.fillStyle = "white";
		 	ctx.font = "16px sans-serif";
		 	}
		 }

		</script>
	</head>
	<body>
		<form>
			
			<input type= button value='Draw Chart' onclick='draw();'>
		</form>
		
		<canvas id="canvas" width="600" height="450" onload="drawsquare();"></canvas>
	</body>
</html>