Data inheritance problem

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<!DOCTYPE html>
<html>
  <head>
    <title>Line Chart</title>
    <link type="text/css" rel="stylesheet" href="test.css"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/d3@2.1.3/d3.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/d3@2.1.3/d3.time.js"/></script>
  </head>
  <body>
    <script type="text/javascript" src="test.js"></script>
  </body>
</html>
    

Modified http://mbostock.github.com/d3/d3.js?2.0.0 to a secure url

Modified http://mbostock.github.com/d3/d3.time.js?2.0.0 to a secure url

https://mbostock.github.com/d3/d3.js?2.0.0

https://mbostock.github.com/d3/d3.time.js?2.0.0