Polyline

Sorry, your browser does not support inline SVG.

Code

<!DOCTYPE html>
<html>
<body>

<svg height="200" width="500">
  <polyline points="20,20 40,25 60,40 80,120 120,140 200,180" style="fill:none;stroke:black;stroke-width:3" />
  Sorry, your browser does not support inline SVG.
</svg>

</body>
</html>