xxxxxxxxxx
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<style>
</style>
</head>
<body>
<script type='text/javascript'>
var w = 600;
var h = 400;
//setup our display area
var svg = d3.select('body')
.append('svg')
.attr('w',w+'px')
.attr('h',h+'px');
//make an path object to convert from geojson paths to svg paths
var path = d3.geo.path();
//load the data
url = "https://gist.githubusercontent.com/michellechandra/0b2ce4923dc9b5809922/raw/a476b9098ba0244718b496697c5b350460d32f99/us-states.json"
d3.json(url, function(json) {
//when the json file is loaded
// set up the paths for each state
svg.selectAll('path')
.data(json.features)
.enter()
.append("path")
.attr('d',path) //bind the converter
;
});
</script>
</body>
</html>
Modified http://d3js.org/d3.v3.min.js to a secure url
https://d3js.org/d3.v3.min.js