title: D3JS - animate a circle along an svg path at a constant speed
body: <p>I'd like to move a circle along a path using d3.js. I used the code from Mike Bostocks' website here: </p>
  
  <p><a href="http://bl.ocks.org/KoGor/8162640" rel="nofollow">http://bl.ocks.org/KoGor/8162640</a></p>
  
  <p>I'd like to move my circle at a constant speed along the path and have it moving immediately after it has been added to my svg. I cannot see how to twist the code here to make it work.</p>
  
  <p>Does anybody have an idea how to do this?</p>
  
  <p>Best</p>