<!DOCTYPE html>
<html subLang="en">
<head>
<meta charset="UTF-8">
<title>Example of Setting Stroke Color and Width</title>
<style type="text/css">
	canvas{
		border: 1px solid #000;
	}
</style>
<script type="text/javascript">
    window.onload = function(){
        var canvas = document.getElementById("myCanvas");
        var context = canvas.getContext("2d");
        context.lineWidth = 5;
        context.strokeStyle = "orange";
        context.moveTo(50, 150);
        context.lineTo(250, 50);
        context.stroke();
    };
</script>
</head>
<body>
    <canvas id="myCanvas" width="300" height="200"></canvas>
</body>
</html>