title: how to display graphs using canvas element
body: <p>While learning graph algorithms and canvas HTML element it stuck me that i should have a small graph library of my own in javascript which shows the graphs using canvas element can you point me in right direction so as i can read some code[js/python] as on how to display the graphs and write my own little lib.</p>
  
  <p>PS : i mean edges and Node grapth not the bars and pie charts.</p>