title: Comparison between d3.js and chart.js (only for charts)
body: <p>I have used chart.js in my projects several times but I have never used d3.js. A lot of people say that d3.js is the best javascript framework for charts but none of them is able to explain why, especially when I want a comparison to chart.js.</p>
  
  <p>I have found this: <a href="http://www.fusioncharts.com/javascript-charting-comparison/">http://www.fusioncharts.com/javascript-charting-comparison/</a>
  but it is not what I was looking for.</p>
  
  <p>Does anyone know about a comparison of these frameworks in terms of usability and performance (only for charts)?</p>