xxxxxxxxxx<html lang="en"><head> <meta charset="utf-8"> <title>Population Projection</title> <link rel="stylesheet" href="main.css"></head><body> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/d3@12.10.3/d3.v2.min.js"></script> <script src="script.js"></script></body></html> Modified http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js to a secure url
Updated missing url https://raw.github.com/mbostock/d3/master/d3.v2.min.js to https://cdn.jsdelivr.net/npm/d3@12.10.3/d3.v2.min.js
https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js
https://raw.github.com/mbostock/d3/master/d3.v2.min.js