title: Drawing a spiral on an HTML canvas using JavaScript
body: <p>I have searched and haven't found anything really on how to draw spirals in canvas using JavaScript.  </p>
  
  <p>I thought it might be possible to do it with the bezier curve and if that didn't work use <code>lineTo()</code>, but that seemed a lot harder.  </p>
  
  <p>Also, to do that I'm guessing I would have to use trigonometry and graphing with polar coordinates and its been a while since I did that.  If that is the case could you point me in the right direction on the math.</p>