Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<body>

<p>The three different line caps:</p>
<canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>

<script>

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");

ctx.beginPath();
ctx.lineWidth = 10;
ctx.lineCap = "butt";
ctx.moveTo(20, 20);
ctx.lineTo(200, 20);
ctx.stroke();

ctx.beginPath();
ctx.lineCap = "round";
ctx.moveTo(20, 40);
ctx.lineTo(200, 40);
ctx.stroke();

ctx.beginPath();
ctx.lineCap = "square";
ctx.moveTo(20, 60);
ctx.lineTo(200, 60);
ctx.stroke();

</script>

</body>
</html>